Holley Carburetor Spacer - 12 Degree Wedge AA0700AG3R64 finished look from the outside

finished look from the outside

Outer bezel is 2-3/4

All Performer and Performer RPM B/B Chevy heads have spark plugs relocated closer to center of bore which will interfere with high-dome pistons for open chamber heads

Handmade crossform chute delivers reliable performance for cars up to 200 mph

Holley Carburetor Spacer - 12 Degree Wedge AA0700AG3R64 finished look from the outsideHolley Carburetor Spacer 717 2 12 Degree Wedge w Square Bore Flange Allows Carb To Sit Flat On Tilted Engines Base Insulator 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 LS engine are dominating the LS