Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Manley Extreme Duty exhaust valve for Chevrolet small block engines is targeted at extreme racing and marine applications requiring exceptional heat and force resistance. Fabricated from XH-432 XtremeAlloy with chrome stems and hard tips, it incorporates swirl‑polished underheads and fully machined combustion faces to improve airflow and longevity for Top Fuel, Funny Car, marine and restricted circle‑track use. Spec: 1.625 in head, 5.265 in overall, 0.3415 in stem.
Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem
