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Corvette Servo 700R4 4L60E 4L65E 4L70E 4L75E 700-R4 4L60 Automatic Transmission 2nd Gear HP Piston

OPT Product Code: NTP-K51828C

(5) 19 Reviews

$18.99
Corvette Servo 700R4 4L60E 4L65E 4L70E 4L75E 700-R4 4L60 Automatic Transmission 2nd Gear HP Piston

Product Details


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

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.

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.

For the price, the Corvette servo is the best upgrade you can make to your 700R4, 4L60E, 4L65E, or 4L70E automatic transmission. Installing this servo in lower mileage vehicles can add years to your transmission’s life. Higher mile transmissions can also benefit and help to postpone a costly rebuild.

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

The recommended servo travel is 1/16”-1/8”. Getting your servo within this travel range can make the shifts even quicker and add more miles and years to your transmission’s life. The long servo pin option on this item can help to get this travel within the correct range. We are finding that when using the billet overdrive servo in conjunction with the corvette servo, this correct travel range is crucial. Any travel over 1/8” can create a situation of no overdrive.

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 & 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 & 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.

The Corvette servo works in all models and years of this transmission, including: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, and 2013.

Corvette Servo 700R4 4L60E 4L65E 4L70E 4L75E 700-R4 4L60 Automatic Transmission 2nd Gear HP Piston

OPT Product Code: NTP-K51828C

(5) 19 Reviews

$18.99

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5
Servo
Ken Vail
12/09/2018
Verified Buyer
Service was great all around fast response to questions fast shipping product works exactly as supposed to for a good price! Very happy with the purchase.
2 of 2 customers found this helpful.
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5
Awesome Upgrade!
Austen
11/19/2018
Verified Buyer
I used to have a really sluggish 1-2 shift and I ordered this servo because it was only $20 and I saw everywhere that it fixes it. Boy did it ever. My transmission shifts like it should’ve from the factory! Shipped in exactly the amount of time that was quoted and they had a great price!
2 of 2 customers found this helpful.
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5
Perfect upgrade
Tyler
07/25/2018
Verified Buyer
Installed on my 02 silverado. Works just as described, shifts are firm...no hesitation. Best upgrade for the money!
2 of 2 customers found this helpful.
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5
Great service
Jordan
05/23/2018
Verified Buyer
Fast shipping, corvette servo made shifts much better
3 of 3 customers found this helpful.
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5
Corvette servo
Mike P
05/20/2018
Verified Buyer
If you want better performance, this is a must have product. Also the guys there are great to work with very knowledgeable.
1 of 1 customers found this helpful.
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5
What a difference
Sam
03/17/2018
Verified Buyer
Quick shifts. Makes a big difference for the price.
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5
Corvette servo
Rick T.
03/17/2018
Verified Buyer
Tight'n up 2nd and 3rd gear shifts, big difference in shifts quickness .
3 of 4 customers found this helpful.
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5
Love them!
Jeremy
01/11/2018
Verified Buyer
Installed them with about 50k miles. Loved them right off the bat. Put over 250k on them until I sold my truck and still see it around town!
2 of 2 customers found this helpful.
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5
Corvette Servo "Nice"
Shawn Johnson
01/08/2018
Verified Buyer
I just want to say that this made a nice improvement in my 1999 2 door 2 wheel drive 5.7 Chevy Tahoe 4L60E with a heavy duty shift kit. Made shifts nice and positive feeling. Now Im looking to buy the Superior 4L60 Super servo billet 4th gear piston and cover. This was a super easy mod and super cheap. Best bang for the buck!! Highly recommend!!!!
2 of 2 customers found this helpful.
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5
Cheap price for a nice upgrade.
Stuart
12/21/2017
Verified Buyer
I was skeptical that it would really do anything. Made a big difference . Thank you
3 of 3 customers found this helpful.
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5
WOW!
AJ
10/19/2017
Verified Buyer
Put this Corvette servo in my 2005 Tahoe and it made a HUGE difference! 1 to 2 shift is much faster and super firm, 2 to 3 shift is noticeable as well. Fast 3 day shipping, easy install, and great product!
4 of 4 customers found this helpful.
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5
Outstanding!!
Scott Haydin
09/12/2017
Verified Buyer
I ordered one of these Vette servo kits back in 2009 from your eBay store, and I installed it on my 2001 Suburban. 8 years later and my truck STILL shifts great, it will even chirp the tires sometimes from a 1-2, and even a 2-3 shift when I am flooring g the gas pedal. This small upgrade along with a Blackbear Performance tune have been some of the best upgrades I have done to my truck.
6 of 6 customers found this helpful.
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5
Great product
John wolf
07/17/2017
Verified Buyer
Works great and easy to install!!
4 of 4 customers found this helpful.
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5
04 Chevy Silverado servo upgrade
Tyler
06/19/2017
Verified Buyer
Recieved package in 2 days! Took my time to install it to make sure everything was right and for the money this an easy upgrade. Can tell a difference in shifting. Shifting from 1-2 was sluggish but after installing this servo it has firmed it up quite a bit. Highly recommended!
4 of 4 customers found this helpful.
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5
Nice!
Rob
04/27/2017
Verified Buyer
Correct parts shipped quite fast, what more can you ask for! Quality kit with everything needed to do the servo upgrade.
4 of 4 customers found this helpful.
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5
No brainer. Must have upgrade.
Dan Hwang
03/31/2017
Verified Buyer
This upgrade is cheap and OPT sends you everything you need including the o-rings. Shipping was fast and everything fit as described. The labor in itself is pretty straight forward and requires a bit of patience working in tight spaces. The results are pretty impressive with tighter shifts from 1st to 2nd.
6 of 6 customers found this helpful.
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5
Corvette Servo
James Wilson
03/12/2017
Verified Buyer
Great bang for the buck, simple install & made a big difference in a 2006 Yukon Denali. Still shifts soft enough down low for when my wife drives but a big difference in heavy throttle situations & a drop in operating temperature too. Do this to your vehicle, you won't regret it.
6 of 6 customers found this helpful.
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5
Great upgrade
B
02/13/2017
Verified Buyer
Got the servo in a couple days. Installed this last weekend. Not to hard to install. Could definitely feel the shifts firmed up.
3 of 4 customers found this helpful.
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5
Best bang for the $$
Adam
02/10/2017
Verified Buyer
For my 2004 Yukon. This made a huge difference for how much it cost. Installed myself in about 30-40 minutes. Highly recommended. You can feel the shifts. Hopefully should add some extra life to the transmission.
7 of 7 customers found this helpful.
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