Speed Pro Economy Piston Rings 4.290" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Master Cylinder GM LS-Series to Ford Small

GM LS-Series to Ford Small Block

1965-1974 Buick Riviera

Detailed instructions are included

There is no contact between seal and crankshaft

If you are looking for a clutch that's a great step up from your stock set up

Speed Pro Economy Piston Rings 4.290" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Master Cylinder GM LS-Series to Ford SmallProduct Description: Piston Rings Economy 4. 290 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