Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy - Set of 8 11845-8 SPRINTER-GMR25 RECOMMENDED FOR VEHICLES WHERE MODIFICATIONS

RECOMMENDED FOR VEHICLES WHERE MODIFICATIONS HAVE BEEN MADE ESPECIALLY COLD AIR INTAKES AND EXHAUST OR EVEN A SUPERCHARGER AND OCCASIONAL NITROUS

2 small ½” X 1¼” pre slotted switch holes

1956-1974 Mercury Monterey

2006-2006 Lincoln Zephyr

Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy - Set of 8 11845-8 SPRINTER-GMR25 RECOMMENDED FOR VEHICLES WHERE MODIFICATIONSProduct Description: Exhaust Valve Severe Duty 1. 880 in Head 0. 342 in Valve Stem 5. 522 in Long Stainless Big Block Chevy Set of 8 Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our