Speed Pro Performance Piston Rings - 4.360 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder E424K40 29024BL 157 in Thick

157 in Thick

11-5/8 in Bolt Circle

Holley is proud to announce a new addition to our lineup

125" NPT Brass Fitting

Pressurized

Speed Pro Performance Piston Rings - 4.360 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder E424K40 29024BL 157 in ThickProduct Description: Piston Rings Performance 4. 360 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