Description
A Holley 4150 carburetor is only as good as its internal components—fuel varnish, worn seals, and degraded gaskets will rob you of reliable performance and consistent jetting every time you hit the track or dyno. The Holley Performance Renew Kit 37-485 gives your carb a complete internal refresh, restoring fuel atomization precision and eliminating the air leaks that plague aged carburetors. This is essential maintenance for anyone serious about keeping their Holley street-legal or competition-ready.
- Fits Holley 4150 carburetors
- Complete rebuild kit
- Replacement gaskets included
- Replacement seals included
- Fuel inlet needle valve
- Throttle shaft seals
- OEM-equivalent materials
- Bolt-on installation
- No modifications required
- MPN: 37-485
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