Valve Stem Seal - Positive Stop - 11/32 in Valve Stem - 0.500 in Guide - Steel Body / Viton - Set of 16 Late Model 625 in Backspace - 5

625 in Backspace - 5 x 5

Bolt - 1/4-20 in Thread - 2 in Long - 5/16 in 12 Point Head - Stainless - Polished - Universal - Set of 5

Durable Construction: Made from robust materials to withstand the demands of racing and high-performance driving

Nut - 1/2-20 in Thread - 9/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Set of 10

560 in - Duration 286 / 286 - 110 LSA - 2500 / 6000 RPM - Small Block Chevy - Each

Valve Stem Seal - Positive Stop - 11/32 in Valve Stem - 0.500 in Guide - Steel Body / Viton - Set of 16 Late Model 625 in Backspace - 5Valve Stem Seal Positive Stop 11 32 in Valve Stem 0. 500 in Guide Steel Body Viton Set of 16