Speed Pro Economy Piston Rings 4.250" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Driver Cooling Safety Equipment Catalog A traditionally designed unit

A traditionally designed unit

1967-1976 Buick Electra

Ford MEL-Series

Elite Lumbar

most all racers are using the new style coil-over springs that have fewer coils

Speed Pro Economy Piston Rings 4.250" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Driver Cooling Safety Equipment Catalog A traditionally designed unitProduct Description: Piston Rings Economy 4. 250 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