Speed Pro Economy Piston Rings 4.020" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Exhaust Wrap Best w/ aftermarket heads

Best w/ aftermarket heads

25 in wide

Powdercoated stamped steel

8 bolt rear flange and center counterweighted

Speed Pro Economy Piston Rings 4.020" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron Exhaust Wrap Best w/ aftermarket headsProduct Description: Piston Rings Economy 4. 020 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