and standard valve spacing make this the perfect street head for 350-383 ci engines
1987-1991 GMC V2500 Suburban
Then The Super Cell 100 Is Ideal For You
this system produced 16 horsepower and 32 lbs
They install in seconds and come in four vivid colors
Fel-Pro 389-455 Pontiac Engine 1959-79 Chassis Engineering and standard valve spacing makeFel Pro deliver reliable sealing under grueling racing conditions. From the leader in aftermarket engine sealing, FEL PRO the gaskets professionals trust. Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function. GMP Performance V8, 389 (6. 4L), 400 (6. 6L), 421 (6. 9L), 428 (7. 0L), 455 (7. 5L); Steel wire Inserted within a stainless steel armor surrounding each cylinder,