LS Valve Seal Kit

The LS Valve Seal Kit by Brian Tooley Racing is an essential upgrade for any serious LS engine builder or performance enthusiast looking to restore or enhance valve sealing integrity. Whether you're rebuilding a tired LS powerplant, addressing oil consumption issues, or assembling a high-revving competition engine, this comprehensive seal kit ensures critical oil control at the valve guides. Valve seals are a wear item that directly impacts blow-by, emissions compliance, and overall engine efficiency—making this kit a foundational component for any LS platform rebuild or refresh.

This valve seal kit is engineered to OEM and performance specifications, providing the exact sealing components needed for LS-series engine cylinder heads. Brian Tooley Racing has built a reputation in the LS tuning community for meticulous attention to detail and quality control—every seal in this kit is manufactured to precise tolerances that prevent oil bypass at the valve stem while maintaining proper guide clearance. The kit composition ensures compatibility across the full spectrum of LS variants, from truck applications to high-rpm race engines, eliminating the guesswork and risk of mixing incorrect seal types that can lead to premature wear or improper sealing.

Installation is straightforward during any cylinder head service, valve job, or complete engine assembly. Professional machinists and home builders alike rely on complete seal kits like this to avoid the frustration of partial kits or sourcing mismatched components from multiple suppliers. Whether you're servicing a stock rebuild, upgrading to a performance cam package, or going full race spec, the LS Valve Seal Kit provides the confidence that your valve train oil control is handled correctly from day one. Pair this kit with quality valve springs, retainers, and keepers for a comprehensive and reliable top-end assembly.