HVH 2" Tall Aluminum Super Sucker Carburetor Spacer for 4150 Series Carburetors - For Open Plenem Manifolds 016440NRRS It allows us to test

It allows us to test new designs and know they'll work BEFORE the wheel hits the track

Top Fuel Motor Plate

Carter Flange

This set uses mild steel

Oldsmobile: Cutlass 68 - 72

HVH 2" Tall Aluminum Super Sucker Carburetor Spacer for 4150 Series Carburetors - For Open Plenem Manifolds 016440NRRS It allows us to testSuper sucker carburetor spacers are the most effective carburetor spacers ever developed. Adds up to 47 HP naturally aspirated, and 500 HP with nitrous oxide. Super Sucker carb spacer also properly distribute the air fuel mixture to the manifold. Improvements in the throttle response, driveability, top end horsepower and torque are commonplace when using a Super Sucker. Designed by Joe Petelle at HVH over 15 years ago for Cup engines, this spacer will