Edelbrock Carburetor Spacer - 0.5 in Thick - 4 Hole - Square Bore - Wood RS00500304 It is compatible with most

It is compatible with most two wire sine wave and three wire hall effect vehicle speed sensors

Exhaust note of GM LS6 cam w/ hydraulic lifters and increased horsepower

Side B is AN-06

170 in Long

Edelbrock Carburetor Spacer - 0.5 in Thick - 4 Hole - Square Bore - Wood RS00500304 It is compatible with mostUse open spacers where more plenum volume or more carb to plenum floor distance is required. 4 hole spacers enhance low rpm torque and throttle response and dampen reversion effects on the carb. The superior heat insulating properties of wood fiber laminate are ideal for reducing heat transfer to the carb. 8724, Edelbrock, Spacer, adapter, Carb adapter, Carburetor adapter, standard flange, square Bore, 4 barrel, open spacer, open, intake manifold,