Jesel Torx Head Bolt - 7/16-14 in Thread - 1-1/2 in Long - Black Oxide (Set of 4) 915024 500'' lift over AFRs previous

500'' lift over AFRs previous best 205cc runner

All bleeds are #10-32 UNF thread

Firebird's exhaust system to bolt up

These cast aluminum valves covers these may be slightly taller than OEM

Jesel Torx Head Bolt - 7/16-14 in Thread - 1-1/2 in Long - Black Oxide (Set of 4) 915024 500'' lift over AFRs previousProduct Description: Bolt 7 16 14 in Thread 1. 5 in Long Torx Head Nuts Included Chromoly Black Oxide Set of 4 Dan Jesel realized early on that the success and demand for his high end valvetrain components was in part dependent on huge valve lifts, unheard of spring pressures and rpm that most thought was impossible. So he started on a 10 year quest to perfect the roller lifter. After nearly nine years of R&D and endless testing, Dan brought the first