MSD Performance 88364 Vacuum Advance Lockout for GM HEI

Description

Quick easy components to lock out timing on GM HEI distributors. 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.

• Works on most GM HEI distributors
• Easy install
• Perfect for racing applications
• Quick, efficient way to lock out timing on GM HEI distributors
• Lockout vacuum advance

Information:

Will not work on MSD Pro Billet HEI PN 8365 or 83653.