Manley MAN11363-8 SBC R/M 1.575in Exhaust Valves - LS1

Manley MAN11363-8 SBC R/M 1.575in Exhaust Valves - LS1 is listed by Motorstate as a Valves for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Manley components in the Valves category. The manufacturer part reference is 11363-8, while the Motorstate part number is MAN11363-8. Catalog description context: Exhaust Valve - Race Series - 1.575 in Head - 0.314 in Valve Stem - 4.923 in Long - Stainless - GM LS-Series - Set of 8. No vehicle compatibility is stated here unless it is present in separate fitment data.