Aluminum 4150 to 4500 CNC Machined Carburetor Spacer w/ Bust Pannels performance and great value make

performance and great value make these hardened input shafts an essential component for anyone looking to raise their transmission to the next level

which include heat-treated studs with rolled threads and special nuts with built-in serrated washer faces

Speedmaster C4 Power Planets eliminate your weakest link

They distribute the ever-increasing valve spring loads over the retainer better than typical 7 degree locks by reducing the chance of "pull-through" failure

Aluminum 4150 to 4500 CNC Machined Carburetor Spacer w/ Bust Pannels performance and great value makeSpeedmaster billet aluminum spacers provide the benefits of an open carburetor spacer.