MSD - MSD Power Grid Boost Retard Module 2A/5 - FIA Approved -

2A/5 - FIA Approved - Double Layer - Fire Retardant Cotton - Black / Yellow - Size 56 - Large - Each

Valve Cover - Slant-Edge - Tall - Baffled - Breather Hole - Raised Chevrolet Bowtie Logo - Aluminum - Black Crinkle Powder Coat - Small Block Chevy - Pair

Valve Spring Compressor - Head-On - Pedestal Mount - Steel - Black Anodized - GM LS-Series - Each

These engines are commonly found in 2006+ Year Model vehicles with LS variants such as the: LS2

Hose - AQP Racing Hose - 10 AN - 6 ft - Braided Stainless / Rubber - Natural - Each

MSD - MSD Power Grid Boost Retard Module 2A/5 - FIA Approved -This Power Grid module does exactly as its name sugests; retards the ignition timing in relation to boost, pressure. It also has an output wire that can be used to activate another device based on boost pressure, as well as an overboost shut down feature that will shut the ignition off if boost exceeds the overboost target.