Penske 38 Gram Shock Bump Rubber (Black) Holley EFI 12 hole billet booster inserts

12 hole billet booster inserts for superior atomization and crisp throttle response

Holley Vacuum Passage Gasket 108-67-20

as a third brake light

100% bolt-on for a quick and easy installation in your garage

Penske 38 Gram Shock Bump Rubber (Black) Holley EFI 12 hole billet booster insertsThe Penske 38 Gram Bump Rubber is softer than the 32 Gram Bump Rubber. Recommended for heavier vehicles, bumpier tracks, and vehicles with more suspension travel. Penske Racing Shocks recognized that racing put very different demands on shocks compared to road use, and spent years of research and development to develop a line of shocks built specifically for circle track, drag, and powersport applications. Penske offers high performance shocks, shock