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Performance Parts    Torque Converters    C5 Corvette    Hardened Input Shaft
LS1 Motor to 400 Transmission    
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4L60E to 4L80E Conversion

Main Transmission Index Page, Click Here    CONTACT

Free Freight Deal ! Extended for an indefinite period of time! Buy any performance / heavy duty overdrive transmission and torque converter and we'll pay up to $110.00 on the freight.

Check out our new MegaRaptor and Bionic MegaRaptor multi-clutch torque converters. These are the very best 9 1/2 inch lock-up converters on the market for 700R4, 4L60E and 200-4R transmissions.

Chevy

4L60E / 4L65E / 4L70E Transmissions

Level 3

This heavy duty / high performance 4L60E transmission has all of the updates and features of our high performance 700R4 transmission. Your rebuilt electronic 700R4 will be ready for any type of heavy duty or high performance use. This transmission is for the person that needs something better than stock. Corvette, Camaro, street rods, towing, four-wheel drives and others. It comes with a heavy-duty torque converter and your choice of stall speeds up to 2800 RPM. This transmission is for any type high performance / heavy duty use up to 600 horse power / 450 torque (600 with Torque Drive package) using pump gasoline. See ratings chart below. Add torque converter and Torque Drive upgrades if needed.

This transmission comes with a high performance Superior intermediate billet servo, a high performance Superior overdrive billet servo, The Beast reaction shell, oversize pressure boost valve, performance 1-2 accumulator spring, extra wide sun gear bushing, extra wide rear stator support bushing, special intermediate servo release check valve, high output pump slide spring, Transgo performance valve body plate if needed, 29 element Borg Warner forward input sprag, Alto Carbonite PowerBand with thicker hardened anchors that holds in second and overdrive, 8 Red Eagle clutches with full thickness Kolene steels are used in the 3-4 clutch drum and an extra heavy duty torque converter with a Sonnax carbon fiber clutch (#2 or #2L on the converter list).

If you need the best you're at the right place. Now you can tow up to 6,000 pounds in overdrive. This 4L60E (electronic 700R4) package deal can be yours without a trade-in for $2310.00 for a 1993-1995, $2360.00 for a 1996-Up, $2460.00 on 1997 up LS1 type motors. The freight runs from free to $40.00 after freight discount in most cases.

* See part #20X below.

Buy a 700-E Raptor, 700-E Raptor Junior or 700-E Mega Raptor transmission and torque converter anytime during 2008 and receive your choice of a PATC fluid temperature gauge, transmission cooler, stock type deep pan or PATC Racing T-shirt Free !

SALE! Buy a 700-E Raptor transmission and add the #45 Torque Drive Package as an upgrade for $187.00. This is a full $55.00 savings. Doesn't apply to LS1 type transmissions.

Important 4L60E Information, Click Here !

Level 4

    " 700-E Mega Raptor "  

Turn the above or below 700-E Raptor transmissions into a 700-E Mega Raptor transmission by adding the Torque Drive package, Torque Master package and two Extreme Duty five pinion planet gears for $849.00 ($949.00 for LS1 type).

Level 2

" 700-E Raptor Junior " - This transmission comes with a high performance intermediate billet servo that has far more holding power than a Corvette servo. It will give a firmer 1-2 and 2-3 shift. It also has a high performance overdrive billet servo with 50% more holding power than the stock overdrive servo. This servo gives a firmer 3-4 shift. Our level two 4L60E comes with an oversize pressure valve. Now you can buy a 700-E Raptor Junior transmission with the #32 Wake Up Kit installed (numbers 1-3X-27), an Alto Carbonite PowerBand with thicker hardened anchors that holds in second and overdrive, "The Beast" reaction shell and the #1 Street Raptor torque converters for $1999.00 for a 1993 to 1995. The 1996 up non LS1 motor transmission sells for $2099.00 with the #2 Super Street Raptor torque converter. This transmission by itself is better than most of the other high performance 4L60E's on the market. No trade-in required. See ratings chart below.

Add a 3-4 clutch upgrade to our level 2 700 Raptor Junior transmission for $69.00. Replace 6 brown clutches with 8 Red Eagle clutches. That's right, get 8 Red Eagle clutches and Kolene steels in the 3-4 clutch drum for only $69.00.

 

 

 

 

Attention Camaro and Firebird Owners !

Same transmission as the above with full manual shifts, no computer or wiring needed. The transmission will be in the gear you select and changes to any gear you choose when you move the selector. Turn any RPM you want in any gear. Add $429.00 to the above prices. Shift kit uninstalled price $299.00

Attention 1997 to 2004 C5 Corvette Owners !

                     

We now build 700-E Raptor transmissions for the 1997 to 2004 Corvettes. Some of the improvements to this transmission over the stock transmission are two oversize servos, Alto oversize Kevlar 2-4 PowerBand with new band drum, Red Eagle 3-4 clutch pack with 8 clutches and full thickness Kolene steels, intermediate servo release check valve, performance 1-2 accumulator spring, high output pump slide spring, oversize pressure valve, performance converter (#2X), extra heavy duty shell "The Beast" and the two planet gears have five pinion gears instead of four. Cost with a trade-in $2529.00. Cost without a trade-in $3329.00. SALE! Buy a 700-E Raptor C5 transmission and add the #45 Torque Drive Package and the #44X Torque Master package as an upgrade for $303.00. This is a full $112.00 savings. These cores are hard to get, so we may need to build your core. See ratings chart below.

Toll Free Transmission Order Line 1-888-8771008
Toll Free Transmission Parts Order Line 1-888-2012066

Most of the parts found in our 700R4 and 4L60E Raptor transmissions are better than or equal to the Factory's best 4L65E transmissions. Our new MegaRaptor and Bionic MegaRaptor torque converters are designed to be the best on the market.

4L60E / 4L65E / 4L70E

High Performance Parts !

Ask about our quantity and transmission builder parts discount.

HPIM1204.JPG (115218 bytes) #1. 4L60E high performance intermediate billet servo. This Superior / Fairbanks servo has 35% more holding power (fluid apply area) than the Corvette servo found on other brands. It'll give a firmer 1-2 and 2-3 shift. It also fits 4L65E transmissions. Can be installed without removing the transmission or valve body. Cost $89.00 (3 or more $75.00 each, 15.7% off.)

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  SONNEX DEALER OF THE YEAR.jpg (569166 bytes) Distributor of the Year for 2006

 

 

 

 

 

 

 

 

 

 

 

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#1X. 700R4 / 4L60E high performance intermediate billet servo. This Sonnax servo has 18% more holding power (fluid apply area) than the Corvette servo and 6 O-rings for a positive seal, plus it comes complete with an apply pin with 3 sealing rings. Yes that's a total of 9, no leaks here. Eighteen percent would be half way between a Corvette intermediate servo and the Superior servo. It'll give a firmer 1-2 and 2-3 shift. Can be installed without removing the transmission or valve body. Cost $118.00

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#2. 4L60E Corvette intermediate servo. This is the servo that comes from the factory in Corvettes and high performance Camaros. This is the best one GM makes. Not as firm as the above servo. Also fits 4L65E transmissions. Cost $19.00

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#1P. Longest intermediate servo pin for 700R4 / 4L60E transmissions. The tip of this pin can be ground shorter to get the correct band adjustment. Cost $19.00

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700R4 / 4L60E Animated Servo Operation, Click Here

#3. 4L60E high performance overdrive billet servo. This Super-Hold Servo has 40% more holding power (fluid apply area) than the stock overdrive servo and gives a firm 3-4 shift. Can be installed without removing the transmission or valve body. Left picture. Cost $89.00

#3X. 4L60E high performance overdrive billet servo. This Superior / Fairbanks Maximum Overdrive Servo has 50% more holding power than the stock overdrive servo. Talk about your extra firm 3-4 shift, this is it. It also fits 4L65E transmissions. Can be installed without removing the transmission or valve body. Good for towing in overdrive. Right picture. Cost $89.00. (3 or more $75.00 each, 15.7% off.)

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#K12SS. Seal kit for OEM and Superior 700R4 / 4L60E intermediate servos. Cost $14.00

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#K34SS. Seal kit for Superior 700R4 / 4L60E overdrive servos. Cost $12.00

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#5SR. 700R4 / 4L60E / 200-4R Pump Seal Retainer. Cost $3.00

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#5PR. 700R4 / 4L60E / 200-4R Pump Ring Set (2). Cost $6.00

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#5-10V. 700R4 / 4L60E 10 vane pump kit. Transmission must be removed to install this kit. Cost $36.00

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#5. 4L60E high performance / high volume pump rotor kits. Turn your seven or ten vane pump into a thirteen vane pump. This kit will eliminate irregular pump pressure above 5,000 RPM. Transmission must be removed to install this kit. (When using a 13 vane pump don't raise the motor speed above idle until the transmission is full of fluid, doing so may break the pump rotor.) Cost $48.00

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#5V. Pump vanes $0.69 cents each.

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#6. 4L60E, 29 element Borg Warner forward input sprag. This 29 element sprag is much better than the other 29 element sprag, because the double cage design makes the 29 elements apply in a more even manor preventing the elements from flipping. Fits late 1993 up. Cost $45.00 

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#6SR. 700R4 / 4L60E, low / reverse spring and roller. Fits 1987 up transmissions. Cost $28.00

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#7. 4L60E dip stick and tube with locking top. This late model dip-stick has a locking top to prevent blow-out and make a positive seal. Cost $27.00

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#9. Hayden transmission coolers. 12 X 7 1/2 X 3/4. Cost $45.00 - - - 15 1/2 X 10 X 3/4. Cost $55.00 - - - Needed for any type high performance / heavy duty use. Recommended for stall speeds of 2,000 RPM or higher and towing.

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#55X. Automatic transmission cooler with integral fan. Ideal for racers that require cooling of transmission fluid when the vehicle is not in motion. AN fittings are compatible with existing rules and build practices. 10 3/4" x 15 5/8" x  4". Cost $189.00

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#55T. Thermostat for the above cooler. Automatic Controller for Remote Cooler, 6AN Ports, Can Attach Directly to Cooler Core or Place Inline, Activates Fan at80 Degrees. Cost $32.00

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  • High Efficiency OE Design
  • 30% Less Space Required than Typical Tube / Fin
  • 100% Aluminum Construction
  • Complete Installation Kit
  • Four Sizes to fit most any Application
  • Embossed Plates / Internal Turbulation of Fluid
  • Powder Coat Black Finish
  • 3/8" Barb / Push On Fitting

#9DER. Derale transmission coolers. 7 1/2 X 11 X 3/4 Cost $64.00 - - - 9 3/4 X 11 X 3/4 Cost $73.00. Needed for any type high performance / heavy duty use. Recommended for stall speeds of 2,000 RPM or higher and towing.
7 1/2 X 11 Inch
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9 3/4 X 11 Inch
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Transmission Life Expectancy Chart

Attention 4WD owners with Superchargers!

4L60E to 4L80E Conversion

#10A. Swap your 4L60E transmission to the much stronger 4L80E transmission with our new double strength case hardened output shaft and adapter kit. You can use the computer you have now on 1998 up models with the use of our #10X wiring harness. The transfer case you have now can be used as is and will be moved 1 3/4 to 3 1/2 inches to the rear. Cost $478.00

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#10B. This is a 1/2 inch spacer needed on some late model transfer cases to make the #10A adapter fit (Will require some slight fitting on 2007 6L Hummer H2 for sure). Cost $79.00

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#10X. Wiring harness to convert from a 4L60E transmission to a 4L80E transmission. 1998 up LS1 type only. Cost $225.00

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This harness takes a gray case connector, case side not wire side.

The computer must be re-programmed.

On 1997 back you will need a Compushift computer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#10XL. Wiring harness to convert from a 4L70E transmission to a 4L80E transmission (Some 2006 On, 4L70E type with input speed sensor only). Cost $225.00

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This harness takes a black case connector, case side not wire side.

The computer must be re-programmed.

On 1997 back you will need a Compushift computer.

#LS1-700. Crankshaft spacer to install an early type 4L60E transmission or 4L80E on a LS1 type motor. Six longer flywheel bolts included. The LS1 flywheel is reused. The flywheel goes on first then the spacer. The torque converter bolt holes in your flywheel must be elongated to fit your non-LS1 torque converter bolt circle. On some late model Hummers as much as .160" may need to be machined off of the front side for proper converter pilot shaft fit. Cost $89.00

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#10C. Crossmember for the 4L60E to 4L80E transmission conversion, 2000 up Tahoe and some others. This custom made crossmember moves the transmission mount to the correct position for the 4WD Tahoe 4L60E to 4L80E conversion. Works with the #3XX deep cast aluminum pan that holds 3 3/4 extra quarts of fluid. Cost $330.00. On some trucks the crossmember will slide to the rear. This price includes a $150.00 core charge, return your old crossmember in good undamaged condition for a refund.

 

 

 

 

 

 

#10C2. Crossmember for the 4L60E to 4L80E transmission conversion, 2000 up Tahoe and some others. This custom made crossmember moves the transmission mount to the correct position for the 4WD Tahoe 4L60E to 4L80E conversion. Must be used with a late model type pan. Cost $305.00. On some trucks the crossmember will slide to the rear. This price includes a $160.00 core charge, return your old crossmember in good undamaged condition for a refund.

 

 

 

 

 

#10D. Crossmember for the 4L60E to 4L80E transmission conversion, 2007 up Tahoe (NEW BODY STYLE) and some others. This custom made crossmember moves the transmission mount to the correct position for the 4WD Tahoe 4L60E to 4L80E conversion. Works with the #3XX deep cast aluminum pan that holds 3 3/4 extra quarts of fluid. This crossmember isn't the same as #10C.

 

 

 

 

 

 

#10T. You get the 4L80E to Tahoe 4L60E transfer case adapter, custom made 4L80E to 4L60E transfer case output shaft, 4L60E to 4L80E wiring adapters, LS1 motor to 4L80E crankshaft spacer and a #10C custom built 4L80E crossmember that moves the transmission mount to the correct position. You saw it here first. Even the best built 4L60E transmission in a heavy 4WD supercharged Tahoe wont last long, a built 4L80E transmission is twice as strong as a built 4L60E transmission. Cost $1104.00

#10M. Extreme Duty Energy Suspension Polyurethane transmission mount for the 4L60E to 4L80E swap (4WD). Cost $49.00

 

 

 

 

 

Attention C4 Corvette Owners

 

 

 

 

 

 

 

 

 

 

 

10 In-Stock as of 9-28-2007.

#C480. 4L80E in C4 Corvette Adapter (1984 - 1996). Swap your 700R4 / 4L60E transmission to the much stronger 4L80E transmission with our new double strength case hardened output shaft and adapter kit. At this time we have an adapter kit for the C4 Corvette to replace your 700R4 / 4L60E transmission with the much stronger 4L80E transmission. This 4L80E transmission will be the same length as your 700R4 / 4L60E transmission making it possible to reuse your existing 27 spline driveshaft and C-beam. All that needs to be changed on the 4L80E transmission is the tail housing and output shaft. The full manual shift model works without a computer. This tail housing is made of 6061T6 aircraft aluminum. Cost $699.00

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HPIM1242.JPG (895643 bytes) HPIM1286.JPG (312140 bytes) HPIM1433.JPG (436417 bytes) HPIM1434.JPG (748954 bytes) HPIM1435.JPG (562772 bytes)

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There may be other uses for this shaft. Replace any 700R4 / 4L60E transmission with a 4L80E of the same length. Coming soon 700R4 / 4L60E to TH400 and T-56 to 4L80E adapter kits.

Attention C4 Corvette Owners

C4 Corvette 700R4 / 4L60E to 4L80E Conversion Kit

1984 to 1996 Corvette 4L80E Conversion Kit

Convert your C4 Corvette from a 700R4 / 4L60E to a much stronger 4L80E transmission. You get the Bionic 80 4L80E transmission (96 back) and the #80B lock-up billet torque converter rated at 800 horse power, 700R4 /4L60E to 4L80E conversion output shaft and tail housing, 4L80E cast aluminum dust cover, dipstick and tube, PATC T-shirt and the Compushift electronic control module. This 4L80E transmission will be the same length as your 700R4 / 4L60E transmission making it possible to reuse your existing 27 spline driveshaft and C-beam. This conversion kit is rated at 800 horse power. Each and every performance 4L80E transmission is tested in our test truck. The freight will run from free to $75.00 after freight discount in most cases. Option 1 Cost $5178.00

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    Add both the billet Vacumelt Input Shaft and the billet Hard Forward Clutch Hub to option 1 for a 1000 horse power rating. Option 2 Cost $5747.00

  Replace the #80B full size billet torque converter with the #88 billet 10 inch lock-up torque converter for a faster hole shot. This option 3 conversion kit is rated at 1000 horse power also. Option 3 Cost $6053.00

Full manual shift 4L80E transmissions are also available rated at 1200 horse power. Add $150.00 to the conversion kits for a 1997 up 7 bolt bell housing.

DSC01145.jpg (44588 bytes) #6C4. This adapter makes it possible to install a C4 Corvette tail housing with C-beam mount on a late model 4L60E transmission. This adapter is 1 9/16 inches long. Cost $269.00

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Available Now !

#CGM. Cummins 4BT / 6BT to a Chevy 4L80E / 700R4 / 4L60E / TH400 transmission, billet aluminum transmission adapter and billet steel flexplate. Fits 2002 back, 2003 up available. We have a computer to control a 4L80E / 4L60E transmission. This Cummins adapter and flexplate Combo Kit is light years ahead of the used adapters on the market that don't fit correctly.

This adapter uses a 6 liter Ford Power Stroke starter. If your Cummins engine has a standard transmission flywheel now your flywheel bolts will be too long for the new automatic transmission flexplate. You will need new shorter flexplate bolts. Call 1-888-8771008.

CumminsToChevy.jpg (25284 bytes)  Look at the top of Twinkie truck adapter on the left. This Junk has got to have a 20 degree tilt on the transmission or engine. This is what you don't want.

Other Cummins Adapters

#CGM2. Adapter to install a 4L80E transmission on a Dodge 23 spline transfer case (automatic only). The 1996 up transfer case when used with the above Cummins adapter will be in the approximate same position. The 1995 back transfer case will move to the front approximately 4 1/2 inches. Cost $468.00

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#11CF. Alto Carbon Fiber 700R4 / 4L60E band made exclusively for PATC to our specifications. No one else has or sells this band. This band is an Alto Carbonite PowerBand but in the standard width. It has the heavy duty thick anchors on both ends. Alto is pleased to announce a new Carbon lined 2-4 band for the GM 700R4 family of transmissions. This new band will retro back to the 1982 700R4 and will also fit the 2005 4L65E and all the transmissions in between. Both of the band anchors have been hardened to ensure durability. The Carbon lining is up to the task of any application that these transmissions are used for. This is a direct replacement band, for best performance and to prevent a "Comeback" from 2-4 band failure. (We recommend this band over the #11 band because the wide band must be used with a new reverse input drum otherwise the band will burn on the two outer edges.) Cost $23.00, 5 or more $19.00 each

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Click to see why you need a thick anchor.


 

 

 

 

 

 

 

 

#11. 700R4 / 4L60E / 4L65E oversize Alto Carbon or Red Eagle 2-4 PowerBand. These bands are 3/8 (2 5/8") of an inch wider than the stock band and has 15% more apply area. They also have a 60% thicker welded case anchor. The Carbon fiber bands have the firmer shift of the two. These two bands are sold with a new band drum as a two piece kit. They must be used with a new drum otherwise they will burn on the two outer edges. Cost $114.00 for the Carbon Fiber PowerBand and drum (NEW #11A) or $103.00 for the Red Eagle band and drum.

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Wide 2 5/8" Carbon Fiber PowerBand only $39.00. Wide 2 5/8" RedEagle PowerBand only $28.00

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#11A. 700R4 / 4L60E new after market band drum. These look better than the OEM drum. Cost $75.00

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ON SALE $9.00 #11XX. 4L60E Alto Red Eagle band, Cost $15.00

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#14. 4L60E 3-4 clutch set with 9 clutches. With Borg Warner clutches $50.00. With green high energy clutches $62.00. With Alto Red Eagle clutches and Kolene steels. Pictured $75.00.

Borg Warner Clutches

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Green High Energy Clutches

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Red Eagle Clutches

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#14-8.  PATC - Alto RedEagle PowerPack for the 700R4 / 4L60E 3-4 clutch. This clutch set comes with 8 RedEagle clutches, 7 Kolene full thickness steel plates and 1 thin backing plate. This is a 33% increase in the clutch apply area. We prefer this clutch pack to the 9 clutch pack because it has full thickness steels and holds up better with higher horse power motors. $79.00

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#14X. 4L60E release spring kit to be used with the above and below 3-4 clutch sets. This kit gives a faster clutch release on a full throttle 3-2 down-shift. The clutches can burn up on a full throttle 3-2 down-shift if not fully released fast enough. This hi-rev spring kit also prevents centrifugal clutch apply up to 7800 RPM. Cost $33.00

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#14XXE. 4L60E 6 count 3-4 clutch set. 4L60E High Performance and Longer Clutch Life. The Blue Plate Specials are the very best in the state of the art. Some racing transmission specialists have successfully eliminated one or more clutches from a clutch pack, and have still exceeded the torque capacity of the original clutch pack. Reducing the plate count reduces parasitic drag and shortens spin-up time. Generally, it can be said that replacing an original pack with Blue Plate Specials is just like adding another plate. Experimentally, double and triple horsepower applications have achieved great success when combined with Raybestos Blue Plate Specials. Cost $69.00

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#14-4L65E-2. Nine thin Blue Plate Special clutches, nine thin steels and one thin backing plate for the 3-4 clutch on 4L65E / 4L60E transmissions. Cost $126.00

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#14-4L65E.  Blue MaxPac, Eight thin Blue Plate Special clutches, seven full thickness steels and one thin backing plate for the 3-4 clutch on 4L65E / 4L60E transmissions. Cost $109.00

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#14-4L65E-3. MaxPac, Eight thin high energy clutches, seven full thickness steels and one thin backing plate for the 3-4 clutch on 4L65E / 4L60E transmissions. Cost $59.00

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PATC Special 700R4 / 4L60E Master Rebuild Kits

These are Alto master rebuild kits with an 8 clutch Red Eagle Power Pack and full thickness Kolene steels for the 3-4 clutch. The 3-4 Power Pack is a multi disk design with sixteen friction surfaces. The 3-4 clutch is the weak point on 700R4 / 4L60E transmissions. These kits will give you a 33% larger clutch apply area on the 3-4 clutch with high performance Red Eagle clutches and Kolene steels to boot. The other clutches in the kits are Alto brown (1987- 1996) and Alto high energy Kryptonite clutches on the 1997 up kit. These kits are custom built for PATC by Alto. Thin steels will not work on motors with over 400 horse power. Eight clutches are the maximum number you can use in the 3-4 clutch pack with full thickness steels. This is a good performance master kit at a good price.

#14-700. Fits 1987-1993 700R4 transmissions. Cost $137.00

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Red3-4Kit2.jpg (426099 bytes)#14-700E. Fits 1993-1996 4L60E transmissions. Cost $145.00

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  HPIM0571.JPG (37320 bytes) #14-700LE. Fits 1997 up 4L60E transmissions. Includes all molded pistons. Cost $199.00

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Combo Performance Master Kits - Save Money Here

 

700R4 / 4L60E Performance Alto Red Eagle Master Rebuild Kits

#14-2. Alto Red Eagle Master Rebuild Kits for 700R4 late 1987 on / 4L60E transmissions 1993 on. For 1997 on applications molded pistons and valve body gaskets must be ordered separately. Add filter, band and bushings if needed.

#14-2 / 700R4, Cost $205.00

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#14-2 / 4L60E, Cost $216.00

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Includes the following:
  • Gasket and Seal Kit
  • Metal Clad Seals
  • Ring Kit
  • All Red Eagle Performance Clutches
  • All High Performance Kolene Steels
  • High Performance 3-4 RedEagle PowerPack

#K61900E. 4L60E TransTec Overhaul Kit. Comes complete with all gaskets, metal clad seals, O-rings, lip seals, pump bolt washers, dip stick boot and sealing rings. Cost $30.00 for 1993 - 2003.

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#F61900F. 4L60E TransTec Overhaul Kit. Comes complete with all gaskets, metal clad seals, O-rings, lip seals, pump bolt washers, dip stick boot and sealing rings. Cost $26.00 for 1997 - 2003.

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4L60E Molded Rubber Pistons, #14P

$11.00, Forward Clutch
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$4.00, 3-4 Clutch
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Combo Kits

#K2. Alto 4L60E master rebuild kit with an 8 clutch Red Eagle Power Pack and full thickness Kolene steels for the 3-4 clutch. The 3-4 Power Pack is a multi disk design with sixteen friction surfaces. The 3-4 clutch is the weak point on 4L60E transmissions. This kit will give you a 33% larger clutch apply area on the 3-4 clutch with high performance Red Eagle clutches and Kolene steels to boot. This kit is custom built for PATC by Alto. Thin steels will not work on the 3-4 clutch in a 4L60E with over 400 horse power. Eight clutches are the maximum number you can use in the 3-4 clutch pack with full thickness steels.

Wake your 4L60E up with this Wake Up Kit. You get the Sonnax oversize .490" Mega Valve, the Superior 35% oversize high performance overdrive billet servo & the Superior 50% oversize high performance intermediate billet servo. These three parts will wake up your 4L60E transmission. Also included in this Combo Kit is an Alto Carbonite PowerBand with thicker hardened anchors that holds in second and overdrive. This is the combination we use to build our level 2, 700-E Raptor Junior transmissions, then we added the Red Eagle Power Pack to this kit.

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Fits Chevy 1993-1996 4L60E transmissions. You get the #14-700E PATC Special / Alto master rebuild kit with the 8 clutch Red Eagle Power Pack an Kolene steels, the #11CF Alto Carbonite PowerBand with thicker hardened anchors that holds in second and overdrive plus the #32 Wake Up Kit with oversize