Speed Pro Premium Piston Rings 3.736" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Crank Trigger Extension They are precision CNC machined

They are precision CNC machined for unmatched fit and finish

install our new 602/604 Racing DUI Distributor

not plated

pressure relief

Speed Pro Premium Piston Rings 3.736" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly Crank Trigger Extension They are precision CNC machinedProduct Description: Piston Rings Performance 3. 736 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 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 can