Speed Pro Premium Piston Rings 4.400" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 57650BK Excellent high RPM power

Excellent high RPM power

Two 10 AN Male Inlets

1975-1983 Cadillac Commercial Chassis

smooth rev limiting action

Breather kit provides a remote location for adding a larger breather to many popular manual transmissions

Speed Pro Premium Piston Rings 4.400" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 57650BK Excellent high RPM powerProduct Description: Piston Rings Performance 4. 400 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 8 Cylinder From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers can