Holley 1" Carburetor Spacer Speedo Standard and adjustable styles are

Standard and adjustable styles are available in extruded or billet aluminum

Manifold Height: A-4

Mounting is either wrap around or bolt-in and the harness set comes with drop-forged steel 3 bar slide and bolt on hardware ends

Butler Built Seats

Sold in pairs and made from 1-3/4" x

Holley 1" Carburetor Spacer Speedo Standard and adjustable styles areThese open plenum carburetor spacers are designed to fit either square bore or AFB carburetors. They will raise a carburetor 1" above the intake manifold. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular