Overview Reviews Product Description LS7 R/M 1.615 Exhaust Valves Exhaust Valve - 1.615 in Head - 0.3136 in Valve Stem - 5.230 in Long - Stainless - LS7 - GM LS-Series - Set of 8 Product Videos Custom Field Product Reviews Write a Review Write a Review × MANLEY LS7 R/M 1.615 Exhaust Valves Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *