Sonnax

Powerglide Shift Detent Lever Spring | Sonnax

Sonnax part number: 28861-03 Shift detent lever spring for the GM Powerglide two-speed automatic transmission, made by Sonnax. Use it to replace a weak, broken or missing original spring.

Powerglide Shift Detent Spring Retainer | Sonnax

Sonnax part number: 28116 Shift detent spring retainer for the GM Powerglide two-speed automatic transmission, made by Sonnax. Use it to replace a missing or damaged original retainer.

Powerglide Shift Lever Kit | Sonnax | 1-Piece

Sonnax part number: 28431-06 One-piece shift lever kit for the GM Powerglide from Sonnax. An O-ring on the shaft is there to prevent leakage from the Powerglide case, and the lever works with most...

Powerglide Shift Lever Kit | Sonnax | Bolt-Together

Sonnax part number: 28431-05K A bolt-together shift lever kit for GM Powerglide transmissions, made by Sonnax. It uses an O-ring on the shaft to seal against leakage from the case, and is built from...

Powerglide Smart-Tech Servo Kit | Sonnax | Ratio-Style

Sonnax part number: 28821-10K PowerGlide Smart-Tech Ratio-Style Servo Kit The OE Powerglide servo design is inherently flawed. Its spring-powered design suffers from an improper apply/release ratio...

Powerglide Smart-Tech® 10-Clutch Drum Kit | Sonnax

Sonnax part number: 28756-25KFits: Powerglide Sonnax Smart-Tech 10-clutch drum kit 28756-25K for GM Powerglides features a 35% larger piston that maximizes both engaging and holding capacity of the...

Powerglide Sun Gear Thrust Bearing | Sonnax

Sonnax part number: 28321 Powerglide Sun Gear Thrust Bearing Sonnax sun gear thrust bearing 28321 allows replacement of a part that has been obsolete from the OEM for many years. This hardened...

Powerglide Super Hold Servo Kit | Sonnax

Sonnax part number: 28821-09K PowerGlide Super Hold Servo Kit by Sonnax Sonnax super hold servo kit 28821-09K is an all-in-one upgrade ideal for a competitive edge in GM Powerglide applications where...

Powerglide Supported Servo Master Kit | Sonnax

Sonnax part number: 28821-20K PowerGlide Supported Servo Master Kit by Sonnax Conventional GM Powerglide servos are not well-supported and the return springs do not function properly, both leading...

Powerglide Supported Servo Pin & Cover Kit | Sonnax

Sonnax part number: 28821-19K Powerglide Supported Servo Pin & Cover Kit Conventional GM Powerglide servos are not well-supported. At high apply pressures or with a worn servo pin bore, the servo...

Powerglide Tabbed Thrust Washer | Sonnax | 1.76 Style Planet

Sonnax part number: 8415B Tabbed planetary thrust washer for the 1.76-style planetary in the GM Powerglide two-speed automatic, made by Sonnax. Each package contains one thrust washer.

Powerglide TH350 TH400 AT540 Pump Bushing | Sonnax

Sonnax part number: 34234B-01 Allison AT540 GM Powerglide TH350 TH400 Pump Bushing No tooling required Turbocharged racing applications with GM TH350, TH400, AT-540 and Powerglide transmissions get...

Powerglide TH350 TH400 Front Pump Bolt | Sonnax | 8-Pack

Sonnax part number: 28136 Front pump bolt for Powerglide, TH350, TH350C and TH400 transmissions, sold in a pack of 8 by Sonnax. Thread is 5/16-18, length 1.375 inches, sized for the front pump bolt...

Powerglide TH400 4L80E HD Clutch Retaining Ring | Sonnax

Sonnax part number: 28124 A heavy duty clutch retaining ring for GM Powerglide, TH400, 4L80E and 4L85E automatic transmissions, made by Sonnax. It can be used as an upgrade for the reverse clutch...

Powerglide TH400 High RPM Checkball Capsule | Sonnax | 5-Pack

Sonnax part number: 57510-01 TH400 Powerglide High RPM Checkball Capsule Sonnax high RPM checkball capsule 57510-01 is specially calibrated to prevent pressure drops in high RPM GM TH400 and...

Powerglide Thick Roller Spacer | Sonnax | 1.76 Style Planet

Sonnax part number: 28414 Sonnax thick roller spacer for a GM Powerglide planetary with the 1.76-style planet, for replacing a worn, damaged or missing spacer.

RE4F01A RE4R01A Eleveated Pressure Main Pressure Regulator Spring | 1995-UP | Sonnax | 20-Pack

Sonnax part number: 69880-02 RE4F01A RE4R01A Elevated Pressure Main Pressure Regulator Spring No tooling required The OE springs in many Jatco transmissions wear or become fatigued, causing low...

RE5R05A A5SR1 5EAT Oversized Cooler Bypass Valve Kit | Sonnax

Sonnax part number: 63741-07K SOME RE5R05A VALVE BODIES DO NOT CONTAIN A COOLER

RE5R05A A5SR1/2 5EAT A or B Pilot Valve Kit | Sonnax

Sonnax part number: 63741-13K RE5R05A A5SR1/2 5EAT "A" or "B" Pilot Valve Kit Tooling required: Sonnax tool kit F-63741-TL13 and the VB-FIX reaming fixture. In Jatco/Nissan RE5R05A units, pilot valve...

RE5R05A TCC Control Plunger Valve Kit | Sonnax | 3rd/4th Design VB

Sonnax part number: 63741-25K SEE VALVE COMPARISON PICTURE TO DETERMINE WHICH D