Sonnax

TH400 4L80E Rubber Clutch Separator | Sonnax | Use w/ 0.080'' Clutches | 60-Pack

Sonnax part number: ORCS-103-380 FOR USE WITH FRICTIONS ABOUT 0.080'' THICK

TH400 Aluminum Clutch Spacer | Sonnax

Sonnax part number: 34555-48Fits: TH400 Sonnax aluminum clutch spacer 34555-48 for GM TH400 transmissions is a lightweight option for reducing friction count and improving efficiency in lower-power...

TH400 Aluminum Clutch Steel | Use w/ Sonnax 28-Spline Forward Drums

Sonnax part number: 34555-44A Traditional clutch packs use steel separator plates. Sonnax aluminum clutch steel 34555-44A is a lightweight upgrade for GM TH400 transmissions that reduces total clutch...

TH400 Bearing Kit | Sonnax

Sonnax part number: SBK-G10Fits: TH400 A bearing kit for GM's TH400 automatic transmission, made by Sonnax as a matched set rather than individual bearings. It includes the sun/internal gear bearing,...

TH400 Boost Valve Kit (No O-Rings Style) Sonnax

Sonnax part number: 34910-05KFits: TH400 Factory Style, No O-Rings Vehicles with a THM 400 transmission frequently have poor line rise, soft 1-2 and/or 2-3 shifts,and/or Reverse engagement...

TH400 Clutch Volume Spacer Kit | Sonnax | Use w/ 34554-01 Drum

Sonnax part number: 34554-11K FOR USE WITH HEAVY DUTY FORWARD DRUM

TH400 Early-4L80E Case Saver Retainer | Sonnax

Sonnax part number: 34762-10 TH400 (All Years) 4L80E (1991-1998) Case Saver Retainer Sonnax case saver retainer 34762-10 for the GM TH400 and '98-earlier 4L80-E is the only intermediate clutch...

TH400 Externally Adjustable Low/Reverse Servo Kit | Sonnax

Sonnax part number: 34914-20K Designed for GM TH400 racing transmissions, Sonnax externally adjustable low/reverse servo kit 34914-20K makes band maintenance quick and easy. It’s an ideal way to...

TH400 Extreme Duty Input Shaft | Sonnax | Pumps Converted to 27-Spline 1-3/16'' Shaft Configuration

Sonnax part number: 27280-02 THIS SHAFT IS INTENDED FOR USE IN UNITS ALREADY SE

TH400 Extreme Duty Input Shaft | Sonnax | Retro Required

Sonnax part number: 35280-02 USING THIS SHAFT REQUIRES CHANGING TO A 35-SPLINE

TH400 Governor Gear Repair Kit 11 Tooth

Sonnax part number: A34684Fits: TH400 A governor gear repair package, made by Sonnax, for TH400 transmissions (65-98), with an 11 tooth gear. It contains the parts needed to rebuild a used governor...

TH400 HD Forward Drum | Sonnax

Sonnax part number: 34554-01 TH400 Heavy Duty Forward Drum The ideal GM TH400 upgrade for any power level, Sonnax heavy duty forward drum 34554-01 features a unique combination of high-strength,...

TH400 HD Input Shaft | Sonnax | Turbine Support Bushing in Converter Style

Sonnax part number: 30280-02 FOR USE WITH TURBINE SUPPORT BUSHING IN CONVERTER<

TH400 HD Input Shaft | Sonnax | WITHOUT Turbine Support Bushing in Converter Style

Sonnax part number: 30280-01 FOR USE WITHOUT INTERNAL TURBINE SUPPORT BUSHING I

TH400 Heavy Duty Forward & Direct Spring Retainer (Pack of 5) by Sonnax 8679934

Sonnax part number: 34554-12 TH400 Heavy Duty Forward/Direct Spring RetainerPart No. 34554-12OE Part No. 8679934 Package Quantity: 5 Sonnax heavy duty forward/direct spring retainer 34554-12 is ideal...

TH400 High Performance Sonnax Updated Governor

Sonnax part number: 34410Fits: TH400 A TH400 governor rebuilt by Sonnax for high-performance use. It is Sonnax's 2nd-design, updated governor with gear, numbered Sonnax 400. It fits TH400 and 3L80...

TH400 Line Pressure Booster Kit | Sonnax

Sonnax part number: 400-LB1 Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive...

TH400 Manual Shift Shaft Kit | Sonnax

Sonnax part number: 38511-05K The manual shift shafts in GM TH400 units become corroded in harsh environments and are not suitable for reuse, especially in remanufacturing. The Sonnax manual shift...

TH400 Pump Thrust Bearing Kit | Sonnax

Sonnax part number: 34211-01K TH400 Pump Thrust Bearing Kit by Sonnax GM TH400 transmissions set front endplay with selective thrust washers between the pump and forward drum. In heavy-duty and...

TH400 Rubber Clutch Separator | Sonnax | Use w/ 0.060'' Clutches | 70-Pack

Sonnax part number: ORCS-070-380 FOR USE WITH FRICTIONS ABOUT 0.060'' THICK