Thunderbolt V8 Big Block Plug Wire Set | United Wire 113 Nuts & Bolts Also includes shaft adaptor o-ring

Also includes shaft adaptor o-ring and fill plug

Outboard Carburetor Repair Kit

Crusader Seal

Filter head has (4) 1/4 in

Replaces GM 4

Thunderbolt V8 Big Block Plug Wire Set | United Wire 113 Nuts & Bolts Also includes shaft adaptor o-ringUnited Ignition Wire Corp V8 Big Block Thunderbolt Spark Plug Wire Set 113 8mm ignition wire set fits Mercruiser 8 cylinder GM big block marine engines with Thunderbolt distributors. Mercruiser Thunderbolt big block marine spark plug wire set Fits Mercruiser 454 and 502 big block engines from 1982 98 with Thunderbolt ignition systems Includes ignition coil wire 180 degree spark plug boots 90 degree distributor boots 8mm SSC 100% Silicone wire for