Description
Description
Chevrolet TH350 3 speed automatic transmission. Buick, Oldsmobile, Pontiac & Cadillac bellhousings available.
Performance Specifications
- TH350 Level 4
- Rated up to: 700 HP at the crankshaft
- Rated up to: 550 Ft-Lbs. of torque at the crankshaft
- Converter: Custom Built & Custom Stalled 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
- 300M Hardened Input Shaft and Forward Drum Assembly
- 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
This TH350 transmission is a Chevrolet case design. Buick, Oldsmobile, Pontiac, and Cadillac (BOPC) bellhousing options are available. Contact Gearstar at 330-434-5216 to verify fitment for your specific application.
The TH350 Level 4 is rated to 700 HP and 550 ft-lbs of torque, both measured at the crankshaft. It includes a custom-built and custom-stalled 10-inch billet Yank Performance converter with a stall range of 2800-4000 RPM.
The build includes a master overhaul kit with new steels, Raybestos Stage 1 racing frictions, Transgo Competition Shift Kit with Shift Command or full manual forward pattern, 300M hardened input shaft and forward drum assembly, custom machined 5-clutch direct drum piston with Super 36-element intermediate sprag, high volume pump with hardened gears, Kevlar front band, Torrington bearing kit, heavy duty low-reverse center support with wider spring and roller, new polished transmission pan with drain plug, new external transmission cooler, new transmission mount, and an installation kit including dipstick and tube, kickdown cable, bellhousing bolts, torque converter bolts, and chrome torque converter dust cover.
Gear ratios are 1st: 2.520, 2nd: 1.520, 3rd: 1.000. Total length is 28 inches with 6-inch tail housing (2WD only) or 31 inches with 9-inch tail housing. Distance to transmission mount center is 27 inches. Measurements are taken from the mounting surface where the transmission meets the engine block to the tip of the tailshaft.
The core charge is $500 and ATF is $200. These are in addition to the transmission price. You will need to provide vehicle year, make, model, drive type, engine details, horsepower, torque, fuel system, speedometer type, rear gear ratio, tire diameter, and converter size/stall preference at checkout.
