Speed Pro Economy Piston Rings 4.280" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron 2070121 For use with Pre 1977

For use with Pre 1977 SB Ford 289

Exhaust port location: N/A

Booster and Stop Leak

1967-1989 Ford Mustang

1979-1989 Chevrolet P20

Speed Pro Economy Piston Rings 4.280" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron 2070121 For use with Pre 1977Product Description: Piston Rings Economy 4. 280 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Phosphate 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