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 22-32 in Length

22-32 in Length

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

Pontiac: GTO 67 - 70 6

and black aluminum base

2-1/2 in Collector

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 22-32 in LengthProduct 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