Fits 1965-1990 Chevrolet 396-454 Big Block with Round Ports DODGE 6.7L The BD Torq/UnLoc is also

The BD Torq/UnLoc is also able to prevent the ECM from activating the lock-up clutch when such an action would drag the engine rpm out of the optimum torque range

Increased ground clearance Maintains factory track width

It features a double O-ring design for a tight seal

making it the perfect choice for street

Effortless Winch Power Connection: Say goodbye to the hassle of popping your hood to power your winch

Fits 1965-1990 Chevrolet 396-454 Big Block with Round Ports DODGE 6.7L The BD Torq/UnLoc is alsoMr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.