1.500 Dual Valve Springs - (16) pro-gram-engineering 125 in OD - 15

125 in OD - 15 in Long - 5/8-18 in Female Thread - Aluminum - Polished - Each

Cylinder Head Bolt Kit - High Performance Series - Hex Head - Chromoly - Black Oxide - Oldsmobile V8 - Kit

Tubing Coupler - Straight - 4-1/2 in ID - 12 in Long - Silicone - Black - Each

60 Ratio - Full Roller - Aluminum - Natural - AFR Eliminator Heads - Small Block Chevy - Set of 16 FITS FLARESIDE/STYLESIDE ONLY WITH OEM FLARES & WITH OR W/O RUNNING BOARDS

062 in Compression Thickness - Copper - Passenger Side - GM LS-Series - Each

1.500 Dual Valve Springs - (16) pro-gram-engineering 125 in OD - 15Valve Spring 1300 Series Dual Spring 467 lb in Spring Rate 1. 180 in Coil Bind 1. 500 in OD Set of 16