Speed Pro Economy Piston Rings 4.250" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron AA0710AF1T59 These cyilnder heads were targeted

These cyilnder heads were targeted at larger cubic inch engines

but as a filtering element it can't hold a candle to sintered bronze

3/8 in Hose Barb Fitting Included

Rocker Arms

Speed Pro Economy Piston Rings 4.250" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron AA0710AF1T59 These cyilnder heads were targetedProduct 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