MSD - Quick easy components to lock out timing on GM HEI distributors. 00 in Bolt Circle -

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

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

660 in Valves - 170 cc Intake - 72 cc Chamber - Angle Plug - Aluminum - Ford FE-Series - Each

Taking the Stealth name

MSD - Quick easy components to lock out timing on GM HEI distributors. 00 in Bolt Circle -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.