LS Oil Fill Cap with Billet Center - 241-224 tailpipe Reduces interior resonance

Reduces interior resonance

BH2374 or BH2375 Headers Developed Specifically for this Vehicle

2002-2005 GMC Sierra 2500

All Holley Main jets are flow tested and then stamped with the correct number

LS Oil Fill Cap with Billet Center - 241-224 tailpipe Reduces interior resonanceOverview: Holley's new Oil Fill Cap for LS engines removes the oil fill tube that come stock on LS engines and replaces it with a cap that can be configured five ways plus custom option! Our cap screws directly into all stock valve covers! The base is made of the same glass filled material as the factory to ensure durability. Each cap comes with an aluminum insert that can easily be painted before assembly, and a domed Holley decal can be placed on