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Corvette Servo Piston & Long Pin 700R4 4L60E 4L65E 4L70E 4L75E Automatic Transmission 2nd Gear

OPT Product Code: OPT-CV-Pin

(5) 6 Reviews

$39.99
Corvette Servo Piston & Long Pin 700R4 4L60E 4L65E 4L70E 4L75E Automatic Transmission 2nd Gear

Product Details


New USA made Corvette servo piston kit with a longer Servo Pin for the GM 700R4, 4L60, 4L60E, 4L65E, 4L70E, 4L75E THM700-R4 MD8

This package includes a longer than stock servo pin to get your band adjusted to the right clearance. It's almost more important to get the right clearance as it is to change to the Corvette servo. If you push in on your servo cover, you'll notice that it moves in around 1/8"-1/4". This is way too much travel, it should be closer to 1/16".

This servo is a must for any performance, towing, RV, or off-road transmission, but would be a nice upgrade for any 700-R4 or 4L60E.

Right away you'll notice faster and firmer 1-2 shifts and even slightly better 2-3. Also, since the servo isn't traveling as far before it applies the band, the 1-2 and even the 3-4 shift will be much quicker.

This servo will give your transmission 50% more apply pressure, just what you need to keep from burning your transmission up under heavy load situations.

This servo is easy to install and can be done with the transmission in the vehicle.

The kit comes with all of the necessary seals for installation including the outer cover o-ring.

This servo works in all makes of this transmission.  GM, Cadillac, Chevrolet, GMC, Pontiac, Oldsmobile, Hummer, Isuzu, Saab, including:

  • Astro Van 1985-2005
  • Avalanche 2002-2008
  • Blazer 1982-2005
  • Bravada 1991-2004
  • Brougham 1994-1997
  • Camaro 1982-2002
  • Canyon 2004-2012
  • Caprice 1982-1996 (With optional 700R4)
  • Colorado 1994-2012
  • Corvette 1982-2005
  • Custom Cruiser Wagon 1991-1992 (With optional 700R4)
  • Envoy - XUV - Denali 2001-2010
  • Firebird and Trans Am 1983-2002
  • Fleetwood 1994-1997
  • GTO 2004-2006
  • Hummer H2 2003-2007
  • Hummer H3 2006-2011
  • Impala SS 1994-1996
  • Isuzu Ascender 2003-2009
  • Isuzu Hombre 1996-2000
  • Isuzu Pickup, I280, I350, I290, I370 2006-2009
  • Rainier 2004-2007
  • Roadmaster 1992-1996
  • SAAB 9-7 2005-2009
  • Safari Van 1985-2005
  • Sierra Pickup 1982-2013
  • Silverado Pickup 1982-2013
  • SSR 2003-2007
  • Suburban 1982-2013
  • Syclone 1991-1993
  • Tahoe 1993-2013
  • Trailblazer 2001-2009
  • Typhoon 1991-1993
  • GMC and Chevy Van 1983-2013
  • Yukon 1993-2013

Industry Part Number: K77895

OEM Exchange # 8642079, 8673039, 8647351

These transmissions are part of the Turbo-Hydramatic series and are also known as: 700R4, 4L60, 700-R4, TH700-R4, MD8, THM700R4, THM700-R4, 4L60E, 4L60-E, 4L65E, 4L65-E, 4L70E, 4L70-E, 4L75E, 4L75-E, M30, M32, M70

Corvette Servo Piston & Long Pin 700R4 4L60E 4L65E 4L70E 4L75E Automatic Transmission 2nd Gear

OPT Product Code: OPT-CV-Pin

(5) 6 Reviews

$39.99

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5
Corvette servo
Michael Ernst
04/17/2019
Verified Buyer
After a recommendation from one of my friends to put this Corvette Servo in my transmission for my 03 Chevy Tahoe it only took 25 minutes to install fix my shifting problems and I'm completely happy and satisfied with Oregon Performance Transmissions outstanding company shift my part to me very fast and it was exactly as described in the description love this place thank you
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5
Best upgrade for the money
Matthew Weaver
01/25/2019
Verified Buyer
Took twenty minutes to install, I ordered the sonnax overdrive servo and cover as well. Worth EVERY SINGLE PENNY! My transmission shifts better than new. My usual upgrades I always run into complications, this one was straight forward with plenty of literature for your parts if you choose to use them. Helps to have an extra hand to hold your pry bar to install the outside ring, but otherwise easily a one person job. Plenty of horror stories about broken transmissions due to not properly seating outer ring. Check, double check, triple check that you've properly installed these parts! It's too easy and quite a bit cheaper to go behind yourself and fix any mistakes before they're made. Excellent products, shipping, and customer service. Will be ordering from OPT again in the very near future as I convert my Denali into a floor shift with a B&M truck megashifter and mesh it together like it came from the factory as a slap shifting, angry grocery getter.
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5
4l60e corvette servo with longer pin
Mike
08/05/2017
Verified Buyer
This works awesome in my 05 Tahoe. Installed with 150k miles on the trans and shifts quick and firm. My tahoe feels like a different animal. Well worth it. Comes with detailed instructions.
4 of 4 customers found this helpful.
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5
Corvette Servo Piston & Long Pin
Richard Plette
06/15/2017
Verified Buyer
OUTSTANDING ! After 2 months of swapping solenoids, sensors and the accumulator piston, this servo solved the problem. Performs better than new.
2 of 2 customers found this helpful.
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5
Corvette servo in a 460le
Robert k
03/29/2017
Verified Buyer
Awesome product. Highly recommend for any trans it will fit. Firmed up 2-3 shift.
3 of 3 customers found this helpful.
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5
Corvette servo with ACdelco Pin
Anthony
03/02/2017
Verified Buyer
Quicker shifts plus firmer. Good deal.
2 of 3 customers found this helpful.
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