Vacuum Advance Lockout for GM HEI - 88364 vacuum-pumps MagnaFlow OEM Grade Federal/EPA Compliant

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49980 helps keep the check engine light off

2011-2013 Ford F-250 Super Duty 379 CID

5 V8 1974 - 1977 Ford Ranchero GT 460/7

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481282

but MSD now offers a coil that will make it even hotter

Vacuum Advance Lockout for GM HEI - 88364 vacuum-pumps MagnaFlow OEM Grade Federal/EPA CompliantOverview: 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. MSDs mechanical advance lockout plate replaces the mechanical advance weights and simply slides over the pins on the shaft and the advance assembly to eliminate