Speed Pro Premium Piston Rings 3.950" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly HASZ20SM Formulated to pass tire “sniffer”

Formulated to pass tire “sniffer” tests

C35 Pickup

GM Duramax 2006-07

Wilwood / Chevy Corvette 1988-14

Speed Pro Premium Piston Rings 3.950" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly HASZ20SM Formulated to pass tire “sniffer”Product Description: Piston Rings Performance 3. 950 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