Speed Pro Premium Piston Rings 3.766" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly HYPLSML11M61FIA 11/16-18 in Thread

11/16-18 in Thread

this is called bump or compression

2A/20 specs with tag placed on waistband

Ford: Country Sedan 63 - 71 6

From Pavement Circle Track to Drag to Off-Road Racing

Speed Pro Premium Piston Rings 3.766" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly HYPLSML11M61FIA 11/16-18 in ThreadProduct Description: Piston Rings Performance 3. 766 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