JEGS 40008: Vacuum Advance Lock-Out Fits Most HEI Distributors - JEGS
JEGS 40002K3: HEI Distributor Kit | Fits Small Block & Big Block Chevy | Includes 8 mm Black HI-Temp Spark Plug Wires with 135-Degree Ceramic Boots - JEGS
CII-40000K Crate Innovations 602 HEI Timing Advance Lock Out Kit
Distributor Vacuum Advance Lockout; For GM HEI Dist.; Replaces Vac. Adv. Chamber | #67022C
Anyone make a fully locked out HEI distrubutor? | Yellow Bullet Forums
SBC timing and drive off hesitations (1971 Nova) | Chevy Nova Forum
Distributor Advance Lockouts | Speedway Motors
HEI Lock Up Plate – Performance Motorsports
What is the Best Lock Out Kit for a GM HEI Distributor | General Motors | We were recently asked what is the best lock out kit for a GM HEI Distributor.