Speed Pro Economy Piston Rings - 4.000 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Cast - Phosphate - 8-Cylinder E251X Expansion Plug Non-Roller

Non-Roller

and black aluminum base

Pontiac: GTO 67 - 70 6

000" Length - 1000 lb 1100

This steam tube kit works w/ the Holley LS Hi-Ram

Speed Pro Economy Piston Rings - 4.000 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Cast - Phosphate - 8-Cylinder E251X Expansion Plug Non-RollerProduct Description: Piston Rings Economy 4. 000 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Phosphate 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