Speed Pro Premium Piston Rings 4.185" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 2020005 #7159 or stock large port

#7159 or stock large port 409 c

10 AN Return

Operating Pressure 2250 psi

Big Block / Small Block Ford

Speed Pro Premium Piston Rings 4.185" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 2020005 #7159 or stock large portProduct Description: Piston Rings Performance 4. 185 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