2" Aluminum Open Carburetor Spacer This crank support system is

This crank support system is a must have for all small block chevy racers with a supercharger

Provides very positive shifts for high performance street use or for competitive events

Mounting hardware is included

Make valve cover installation and removal easy and hassle-free with Speedmaster allen head valve cover bolts

Speedmaster harmonic balancers are crafted from high-quality steel and feature a tuned elastomer for optimal engine performance

2" Aluminum Open Carburetor Spacer This crank support system isIndividually milled from super durable 6061 T6 aluminum billets, these spacers can handle anything your vehicle can dish out. They're so tough, they're guaranteed for life. The precise design of these Speedmaster carburetor spacers provides a smooth transition of fuel from the carburetor to the intake manifold, to increase flow for more performance. They also help to insulate the carburetor from engine heat and provide clearance for linkages.