Vacuum Advance & LockoutThese vacuum canisters help optimize ignition advance for maximum part throttle performance and cruise speed efficiency. Our vacuum lockout plates allow for precise pickup coil position and accurate rotor phasing.
Product Features:- PerTronix D9010 Flame-Thrower HEI Distributor Clockwise Vacuum Lockout Kit
- These vacuum canisters help optimize ignition advance for maximum part throttle performance and cruise speed efficiency.