Manley MAN11689-8 LS7 R/M 1.615 Exhaust Valves

Manley MAN11689-8 LS7 R/M 1.615 Exhaust Valves 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 11689-8, while the Motorstate part number is MAN11689-8. Catalog description context: Exhaust Valve - 1.615 in Head - 0.3136 in Valve Stem - 5.230 in Long - Stainless - LS7 - GM LS-Series - Set of 8. No vehicle compatibility is stated here unless it is present in separate fitment data.