Speed Pro Premium Piston Rings 4.290" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 29000BL Painless is the only sensible

Painless is the only sensible choice

backfire-free rev limits

8 AN Male O-Ring to Quick Release Socket

These Performer RPM cylinder heads are designed for 400

0" GDY4060370 at low everyday prices

Speed Pro Premium Piston Rings 4.290" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 29000BL Painless is the only sensibleProduct Description: Piston Rings Performance 4. 290 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