Description
4500 Carburetor Base Gasket. Made in the USA by JB Performance.
- 1/8″ thick. Thicker than most gaskets to minimize heat absorption into carb.
- Bolt pattern: 5.375″ x 5.375″
- Open center.
- 4 barrel Dominator style.
- Part number 130178
Also fits B&M, Holley, and Weiand 177 Superchargers, Mercruiser 525SC.

Impeller shim kit
Replacement brass butterfly plate bolts
90 degree elbow 1/4" OD flare oil line to oil injector Vortech, Powerdyne, Paxton
30mm sleeve
Head unit rebuild kit B&M Weiand Holley G1
Rear rotor plate G1 and G2 Built 