1" Phenolic / Bakelite Carburetor Spacer Square Bore 4 Port For those with applications that

For those with applications that require the fast and consistent action of and air shift this is exactly the shifter for you

All kits come complete with 12 point nuts and hardened parallel washers for an even load distribution and accurate torque readings

nothing worse than a leaky transmission

If you want to run a roots style blower but you do not want a broken crank than you must employ this Speedmaster Billet Crank Support

This body has a much larger diameter then your existing throttle body

1" Phenolic / Bakelite Carburetor Spacer Square Bore 4 Port For those with applications thatThe 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.