GM Performance Transmission Parts

GM 6L45 6L50 6L80 8L90 SURE-COOL Cooler Flow System by Superior (2014-UP)

6L80/8L90 Sure-Cool System 2014-UP Models  TransLab Engineered by Superior Transmission Parts This Cooler System Upgrade is Recommended During Rebuild or with a Routine Transmission Service as Preventive Maintenance Overall Trans Temps Run 20%...

700R4 4L60E 4L65E Powerpack 3/4 Clutch Performance Red Eagle (1982-UP) Alto

GM 700R4/4L60E/4L65E/4L70E Transmission 3/4 Clutch Performance Red Eagle PowerPack Made in the USA by Alto Products Corp The extra capacity clutch setup in these kits offers a significant increase in overall durability and performance to avoid...

700R4 4L60E 4L65E 3/4 Clutch Red Eagle Powerpack (1982-UP) Alto

GM 700R4/4L60E/4L65E/4L70E Transmission 3/4 Clutch Red Eagle PowerPack Made in the USA by Alto Products Corp   Kit Contains (6) Internal Splined Red Eagle® Friction Disc (6) External Splined Red Eagle® Friction Disc (1) Top...

4L60E 4L80E Transmission Overdrive-Lockout Switch by Superior (1991-1999)

4L60E/4L80E Transmission Overdrive-Lockout Switch Made in the USA by Superior Transmission Parts 4L60E Model Years 1993-1998 4L80E Model Years 1991-1998 The Superior Overdrive-Lockout Kit for GM 4L60E and 4L80E transmissions is designed for vehicle...

GM 700R4 Shift Correction Package w/ Boost Valve by Superior (1982-UP)

High Performance 700R4 Shift Correction Kit w/ Pump Boost Valve This GM 700R4 transmission Shift Correction Kit, by Superior Transmission Parts, contains an anti-stick throttle spring and deals with the weak 3-4 clutch problems in a very effective manner...

GM 700R4 200-4R 125C Transmission Upgraded Pressure Regulator Valve

GM 4L80E Transmission PowerTow Performance Shift Kit (1990-UP) Fairbanks

GM 4L80E Transmission HD Performance Shift Kit Don't Blow It - PowerTow It! Made in the USA by Superior Transmission Parts Each Fairbanks 4L80E PowerTow Shift Kit includes Superior's dual feed direct setup and easy to follow instructions making this kit...

GM 4L60E 4L65E Transmission PowerTow Performance Shift Kit (1996-2/05) Fairbanks

4L60E / 4L65E PowerTow Heavy Duty Performance Shift Correction Kit Made in the USA by Fairbanks/Superior Transmission Parts 1996-02/2005 Models The PowerTow shift correction kit is an extreme value over purchasing separate components.. All in One...

6T40 6F35 Transmission Upgraded Axle Bushing & Seal Kit by Superior (2008-13)

GM 6T40 & 6F35 Transmission Upgraded Axle Bushing Seal Kit (2008-13) Made in the USA by Superior Transmission Parts The durable bushings and top quality seals included in the K0100 kit may be refilled with this kit.  It includes a SuperTuff...

The Watch Dog Transmission Inline Oil Quality Monitor Filter w/ Drain Back Valve by Superior

The Watch Dog Monitor/Filter + Drain Back Valve by Superior Transmission Parts Can Install On 5/16'' or 3/8'' Transmission Cooler Lines The Watch Dog Monitor/Filter makes it easy to check for contaminants circulating in the transmission fluids...

The Watch Dog Transmission Inline Oil Quality Monitor Filter by Superior K076

The Watch Dog Monitor/Filter by Superior Transmission Parts Can Install On 5/16'' or 3/8'' Transmission Cooler Lines The Watch Dog Monitor/Filter makes it easy to check for contaminants circulating in the transmission fluids.  For greater protection...

GM 700R4 HD Auxiliary Valve Body Cover by Superior

GM 700R4 Transmission Auxiliary Valve Body Cover by Superior Made in the USA by Superior Transmission Parts It is not uncommon for the piston pin of the auxiliary valve body to work its way past the stock cover, causing a leak in the forward-clutch...

GM NP236 NP246 NP261 NP263 Transfer Case Saver Plate by Adapt-A-Case

UPGRADED New Process 246 261 263 Model Transfer Case Saver by Adapt-A-Case Works on Chevy Silverado and Tahoe + GMC Sierra and Yukon Good used case halves are a challenge to find.  New aftermarkets are available, for a price.  The problem with...

GM 4L80E Upgraded Billet Reverse Servo (1997-UP) Adapt-A-Case

4L80E Transmission HD Billet Reverse Servo  Services 1997-UP Style Assemblies w/ Hump Made in the USA by Adapt-A-Case Overall, the 4L80E is a fairly heavy duty transmission.  One of its lesser points is the case aluminum reverse servo piston...

GM TH400 HD Intermediate Snap Ring Support by Adapt-A-Case

GM Turbo 400 HD Intermediate Snap Ring Support Made in the USA by Adapt-A-Case Gotta love it!  Buy the good clutches, a fancy trans-brake valve body, the HD sprags, all the stuff you can think of to make sure this one won't break.  A couple of...

230 Series Transfer Case HD Output Shaft Retaining Ring by Superior (Set of 3)

230 Series Transfer Case HD Output Shaft Retaining Problem Solver Superior Transmission Parts has announced the availability of a very heavy duty retaining ring for the output shaft bearing of the NP230 Series Transfer cases.  The rings are a very...

240 Series Transfer Case HD Output Shaft Retaining Ring by Superior (Set of 3)

240 Series Transfer Case HD Output Shaft Retaining Problem Solver Superior Transmission Parts has announced the availability of a very heavy duty retaining ring for the output shaft bearing of the 240 Series Transfer cases.  The rings are a very...

Ford C6 Super Servo Replacement Seal Kit by Superior (Seals Only)

Damaged the Seals Installing Your Super Servo? GTP Has You Covered!!   This item is a replacement seal kit for Superior Transmission Parts Ford C6 transmission Super Servo Assembly!   Superior Transmission Parts # K016-SS

GM TH200-4R Super Servo Replacement Seal Kit by Superior (Seals Only)

Damaged the Seals Installing Your Super Servo? GTP Has You Covered!!   This item is a replacement seal kit for Superior Transmission Parts GM TH200-4R Super Servo Assembly!   Superior Transmission Parts # K014-SS

GM 700R4 4L60E Super Servo Replacement Seal Kit by Superior (Seals Only)

Damaged the Seals Installing Your Super Servo? GTP Has You Covered!!   This item is a replacement seal kit for Superior Transmission Parts GM 700R4 or 4L60E Super Servo Assembly!   Superior Transmission Parts # K012-SS