Holley - Fits 1973-1987 GM K10 LS Swapped Trucks and Other 4WD LS Swap Projects Countersunk Bolt Kit - 10-24

Countersunk Bolt Kit - 10-24 Thread - 1 in Long - Allen Head - 1 in OD Countersunk Washers / Nuts - Aluminum / Steel - Natural - Set of 10

Coil Spring - Conventional - 5 in OD - 15 in Length - 200 lb/in Spring Rate - Rear - Steel - Red Powder Coat - Each

Tape Measure - Deluxe - 10 ft Length - 0

Spark Plug Wire Loom - 4 Wire - Valve Cover Mount - 8

but MSD now offers a coil that will make it even hotter

Holley - Fits 1973-1987 GM K10 LS Swapped Trucks and Other 4WD LS Swap Projects Countersunk Bolt Kit - 10-24*See Installation Notes below for important information regarding necessary modifications to windage tray, capacity, etc. (see instructions for full details).