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.

Tribodyn High Performance SAE 75W-90 Full Synthetic Gear Oil
142/144 base gasket
IHI oil fill plug
Replacement seal kit for front rotors
JB Performance Supercharger Oil with Stage 3 Technology 8 ounce bottle.
SERVICES: Weiand, B&M, Holley Supercharger Remanufacture / Rebuild
Rear rotor plate G1 and G2 