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.

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