These SFI-Rated flywheels are engineered to handle extreme duty applications and designed to take the punishment of todays high horsepower engines.
Vehicle Applications:
1971-1975 Pontiac Grandville 1971-1978 Pontiac Grand Safari 1975-1977 Pontiac Grand LeMans 1964-1973 Pontiac GTO 1964-1977 Pontiac Grand Prix 1967-1970 Pontiac Tempest 1966-1976 Pontiac Laurentian 1967-1970 Pontiac Executive 1973-1975 Pontiac Grand Am 1967-1979 Pontiac Firebird 1970-1971 Pontiac Acadian 1972-1975 Pontiac Ventura 1964-1978 Pontiac Bonneville 1966-1976 Pontiac Parisienne 1964-1966 Pontiac Star Chief 1964-1978 Pontiac Catalina 1966-1970 Pontiac Strato-Chief 1967-1977 Pontiac LeMansDrag racing's biggest stars have relied on Hays since SEMA Hall of Famer Bill Hays decided back in 1958 that there had to be a way to build one that could stand up to racing's unimaginable power and torque. Now part of Holley Performance, Hays continues to develop complete clutch kits for an infinite number of high-performance applications, pressure plates for precise gear changes, clutch discs for smooth, chatter-free engagement, and flywheels and flexplates ideal for today's vehicles.
Pontiac changed the crankshaft register partway through 1976 on the 350 and 400 engines. The only way to be sure of which flywheel you need is to measure the register (or snout) at the end of the crankshaft where the flywheel mounts. All 455 engines use the larger register.
Includes a removable black insert that allows this to fit the 2.5" crank and remove to fit the 2.75".
SFI certified 30 lb flywheel with 166 tooth count Fits 10.5" or 11" clutches 2.50" register bore. Includes an installed center ring that can be removed for 2.75"Product Description:
Flywheel 166 Tooth 30.0 lb SFI 1.1 Steel Internal Balance Pontiac V8 Sold IndividuallyDrag racing's biggest stars have relied on Hays since SEMA Hall of Famer Bill Hays decided back in 1958 that there had to be a way to build a clutch that could stand up to racing's unimaginable power and torque. "Big Daddy" Don Garlits, Tom "the Mongoose" McEwen, and countless icons of the sport went to just one place for their clutches -- Hays. Now part of Holley Performance, Hays continues to expand into all forms of driveline products for both automatic and manual transmissions. Hays offers complete clutch kits and torque converters for an infinite number of high-performance applications, pressure plates for precise gear changes, clutch discs for smooth, chatter-free engagement, and flywheels and flexplates ideal for today's vehicles.
