Popular Performance Parts

Powerglide Super Hold Servo Kit | Sonnax

PowerGlide Super Hold Servo Kit by Sonnax Super Hold Servo KitPart No. 28821-09K Sonnax super hold servo kit 28821-09K is an all-in-one upgrade ideal for a competitive edge in GM Powerglide applications where racers are looking to reduce line...

Powerglide Supported Servo Master Kit | Sonnax

PowerGlide Supported Servo Master Kit by Sonnax Part No. 28821-20K Conventional GM Powerglide servos are not well-supported and the return springs do not function properly, both leading causes of band failure. Sonnax supported servo master kit...

Powerglide Servo Piston & Cover Kit | Sonnax | Dual Seal PTFE Ring Style

PowerGlide Servo Piston & Cover Kit (Dual Seal, PTFE Ring Style) by Sonnax Part No. 28821-08K Dual-seal design, PTFE sealing ring style, Non-anodized GM Powerglide transmissions used for drag racing generate higher line pressure than the OE...

Powerglide HD Reverse Clutch Return Spring | Sonnax | 17-Pack

Heavy Duty Reverse Clutch Return SpringPart No. 28320A Package Quantity: 17 Sonnax heavy duty reverse clutch return spring 28320A improves the release rate of the transbrake-equipped GM Powerglide. Packaged in kits of 17 springs, all spring...

Powerglide Transmission Shift Reprogramming Kit by TransGo

TRANSGO PART: PG-2S CLASSIFICATION: REPROGRAMMING KIT FITS:  Aluminum Case Powerglide 63-73 FEATURES:   Full Manual control or Automatic shifts;  Full-race, Street/Strip. Special Instructions: ...

TH350 TH400 MT540 Powerglide HD Pump Bushing | Sonnax | Steel .615''

TH350 TH400 MT540 Powerglide HD Pump Bushing Sonnax Part Number: 34034T-01 OE PART NUMBER: 29511860 Worn babbit pump bushings in GM Powerglide, TH350, TH400 and Allison® AT-540 transmissions allow the converter hub and inner pump gear to move...