Exhaust Valves – 1.590″

LS Series Exhaust Valve, 1.500″

12582719 Chevrolet Exhaust Valve

L92 and LS3

Chevrolet Performance is the factory source for high–performance parts for LS, LT and LSX engines, from power-adding components such as ported cylinder heads and camshafts to the blocks, rotating parts, oil pans and virtually everything else you need to build an engine or facilitate an engine swap.

All of our LS, LT and LSX parts are factory-engineered and manufactured to the same quality standards as production engines, so you can trust Chevrolet Performance to offer exceptional performance, fit and durability. You won’t find a more comprehensive lineup of power-building LS, LSX or LT parts than Chevrolet Performance.