Check the listing for details. 1.5 Inch 4150 Lightweight Holley Carburetor Spacer Tapered 1 1/2" HotRod TV. Condition: New. Listed at 140.20 USD. Product Description (as seen on Hot Rod TV and POWERNATIONTV!) watch us make power on Power Nation Tv's ENGINE POWER (BLACK AND BLUE ENGINE BUILD) Product Description Lightweight- pocketed for performance 1.5 Inch tapered blend carburetor spacer for 4150 style intake manifolds. - Fits all applications with 4150 style intake manifolds and carburetors - Dyno tested to improve horsepower, torque, and throttle response - Evenly distributes air and fuel - Increases air speed - 1.5 inches thick for applications with plenty of hood clearance - CNC machined from 6061-T6 billet aluminum - Black anodized for extended life and a noticeable appearance - Longer carburetor studs and a extra carburetor gasket are required and can be purchased from us separately Follow us on instagram @ Reapercustoms805 Made in U.S.A.