MSD - Quick easy components to lock out timing on GM HEI distributors. 2A/5 - FIA Approved -

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

Coil Spring - Conventional - 5 in OD - 12 in Length - 225 lb/in Spring Rate - Black Powder Coat - Each

Vehicle Scale - SW777 - Electric - 15 in Square - 1500 lb Capacity Pad - Bluetooth / Wireless - Aluminum - Natural - Kit

00 in Bolt Circle - Inboard - 42 Spline - Aluminum - Black Anodized - Sprint Car Right Rears - Each

If you drive a closed cockpit racecar and like the feel of an open face helmet

MSD - Quick easy components to lock out timing on GM HEI distributors. 2A/5 - FIA Approved -MSD offers two kits to make locking out mechanical and vacuum timing advance in HEI distributors an easy task for Circle track racers. No more welding a tac on the mechanical advance weights or trying to find a way to keep the vacuum advance from moving once the canister is removed.