Product Description

1/2” blended adator for 4150 Holley Ultra XP carburetors to fit on 4500 intake manifolds.

- This adaptor makes it easy to install a 4150 Holley Ultra XP carburetor on a 4500 intake and get more power out of your engine when your at the track

- Fits all 4500 intake manifolds

- Dyno tested to improve horsepower, torque, and throttle response

- Evenly distributes air and fuel

- Increases air speed

- 1/2” thick for applications where hood clearance is not an issue

- CNC machined from 6061-T6 billet aluminum

- Black anodized for extended life and a noticeable appearance

- DESIGNED FOR THE SLOTTED HOLES OF A HOLLEY ULTRA XP AND WILL NOT WORK WITH OLDER 4150 carburetors

Made in U.S.A.