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Speedmaster offers these HEI Upgrade kits for your stock distributor
6" axle uses a slightly larger 8
They're made of thick steel for reduced flex and are chrome plated for that show-car look
and most include bolt-in baffles that can be replaced
These Speedmaster head bolt bushing kits allow you to use stock or aftermarket head bolts with Speedmaster or other aftermarket cylinder heads
2" Aluminum 4150 CNC Machined Carburetor Spacer Square Bore 4 Port - Blue Speedmaster offers these HEI UpgradeIndividually milled from super durable 6061 T6 aluminum billets, these CNC machined Speedmaster carburator 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
