Rebuilt Turbo 350 Transmission for BOP Bellhousing 6 Inch Tailshaft 450HP

Rebuilt Turbo 350 Transmission for BOP Bellhousing 6 Inch Tailshaft 450HP

This high performance remanufactured TH350 automatic transmission is built for reliability and power. Designed specifically for vehicles using the BOP (Buick, Oldsmobile, Pontiac) bellhousing pattern, it is a direct fit upgrade for classic RWD applications including popular 1970s models such as Buick Century, Regal, Skylark, Oldsmobile Cutlass and Omega, and Pontiac Firebird, LeMans, and Grand Prix.

Every unit is completely rebuilt with premium components including new USA frictions and seals throughout, a new intermediate band, new low reverse and intermediate sprags, new front pump gears, all new bushings, and new thrust washers. Extra clutches have been added for greater torque holding capacity, and a Superior HD shift kit is installed for crisp, firm shifts. The stylish chrome pan with drain plug adds a clean look and makes servicing simple.

• Rebuilt Turbo 350 transmission rated to handle up to 450 horsepower
• New USA frictions and seals throughout plus all new bushings for long lasting durability
• Superior HD shift kit delivers firm, positive shifts every time
• Added clutches throughout provide increased holding capacity under high performance use
• New intermediate band, low reverse sprag, intermediate sprag, front pump gears, and thrust washers
• Chrome transmission pan with drain plug for easy fluid changes • 6 inch short tailshaft housing – longer lengths available upon request
• Fully dyno tested in house to verify correct pressures, zero leaks, and quality shifts
• Manufactured to operate without a kick down cable
• No core charge – torque converter and speedometer gears not included

This transmission is fully dyno tested in house to confirm correct operating pressures, zero leaks, and smooth shift quality before it ships. It is manufactured to operate without a kick down cable and comes with no core charge. The short 6 inch tailshaft housing is ideal for many classic installations (longer tailshaft options available). Torque converter and speedometer drive/driven gears are not included.

Perfect for street performance, hot rods, or restorations where you want dependable power handling up to 450 horsepower without the hassle of a core return.

Backed by our 12 month/12,000 mile warranty

 

Year Range	Vehicle	Drive Type
1975 – 1979	Buick Skylark	RWD
1977 – 1978	Buick Riviera	RWD
1975 – 1977	Buick Regal	RWD
1980 – 1980	Buick LeSabre	RWD
1980 – 1980	Buick Electra	RWD
1975 – 1979	Buick Century	RWD
1975 – 1975	Buick Apollo	RWD
1975 – 1979	Oldsmobile Omega	RWD
1975 – 1980	Oldsmobile Cutlass	RWD
1980 – 1980	Oldsmobile Custom Cruiser	RWD
1980 – 1980	Oldsmobile 98	RWD
1975 – 1977	Pontiac Ventura	RWD
1977 – 1979	Pontiac Phoenix	RWD
1975 – 1979	Pontiac LeMans	RWD
1976 – 1977	Pontiac Grand Prix	RWD
1975 – 1979	Pontiac Firebird	RWD
1980 – 1980	Pontiac Catalina	RWD
1980 – 1980	Pontiac Bonneville	RWD