MSD - MSD 4 Channel Relay Module 25 in Length - 87

25 in Length - 87 lb/in Spring Rate - Steel - Blue Powder Coat - Each

25 in Lift - 3000 lb Max - Aluminum - Black Anodized - Allstar Air Jack Kits - Each

Timing Cover - 1-Piece - Seal Included - Chevrolet / Bowtie Logo - Steel - Chrome - Big Block Chevy 1965-90 - Each

5 in OD - 50 in Wide - 9 and 12 Degree Front Spindles - Chromoly - Black Powder Coat - Sprint Car - Each

Fitting - Hose End - Straight - 10 AN Hose to 10 AN Female - Aluminum - Black Anodized - Each

MSD - MSD 4 Channel Relay Module 25 in Length - 87MSD relay modules are designed to be easily installed in most automotive electrical systems where a high amperage relay is needed. These relay modules are perfect use with high amperage electric fuel pumps and high CFM electric cooling fans. Each relay comes with a 40amp fuse, however lower amp fuses can be installed if required. The relay housing comes with a labeled lid that snaps into place providing a clean installation, and protecting the main