Description
Description
Chevrolet TH350 3-speed automatic transmission. Buick, Oldsmobile, Pontiac & Cadillac bellhousings available.
Performance Specifications
- TH350 Level 3
- Rated up to: 500 HP at the crankshaft
- Rated up to: 475 Ft-Lbs. of torque at the crankshaft
- Converter: Custom Built & Custom Stalled 9" Or 10" Billet Yank Performance Converter
- Stall: 2800-4000
Build Details
- Master Overhaul Kit with New Steels
- Raybestos Stage 1 Racing Frictions
- High Flow Filter
- Adjustable Modulator
- TransGo Competition Shift Kit with Shift Command or Full Manual Forward Pattern
- Updated High Performance Boost Valve
- New Kevlar Front Band
- New Torrington Bearing Kit
- New Thrust Washer Kit
- New Bushing Kit
- Heavy Duty Low-Reverse Center Support
- Wider Spring and Roller and Race for the Center Support
- Custom Machined 5-Clutch Direct Drum Piston
- Direct Drum with Super 36-Element Intermediate Sprag and Hardened Race
- High Volume High Flow Pump Assembly
- New Hardened Pump Gears
- New Speedometer Drive Gear
- New Speedometer Driven Gear
- New Polished Transmission Pan with Drain Plug
- New Transmission Mount
- New External Transmission Cooler
- Installation Kit - Dipstick and Tube, Kickdown Cable, Bellhousing Bolts, Torque Converter Bolts, Chrome Torque Converter Dust Cover
- GM TH350
Gear Ratios
- 1st: 2.520
- 2nd: 1.520
- 3rd: 1.000
Dimensions
- Measurements are taken from mounting surface where trans meets engine block to the tip of the tailshaft
- Total Length: 28" with 6" Tail Housing 2WD Only
- Total Length: 31" with 9" Tail Housing
- Distance to trans mount center: 27"
Notes
- Chevrolet, BOPC Cases Options Available
Faq
A TH350 performance transmission is an upgraded version of the GM Turbo-Hydramatic 350 with stronger internal components and performance modifications designed to support higher horsepower and torque.
The Level 3 build includes racing frictions, a competition shift kit, a reinforced sprag assembly, hardened components, and other upgrades that improve durability and shift response.
This unit is rated for up to 500 horsepower and 475 lb-ft of torque at the crankshaft.
Yes. It is designed for enthusiasts who want dependable performance both on the street and at the track.
Yes. Its upgraded internals and custom torque converter make it well-suited for drag racing and other high-performance applications.
It is available with Chevrolet and BOPC bellhousing patterns to fit a variety of GM engine combinations.
