Precision-cut brass rotor tip for MSD crank trigger distributors—longer life, lower cost per replacement.
Replace the only part that wears out.
MSD 84697 – Chevy V8 Crank Trigger
MSD 8558 – Tall Block Chevy V8
MSD 8377 / 83775 – Ford 351C–460
MSD 8489 – Chevy Crab Cap
MSD 8569 – Ford 351C–460
MSD 8378 – Ford 351W
& More
8457 Crank Trigger Distributor Rotor
8567 Crab Cap rotor
8423 Cap-A-Dapt
Precision-cut brass rotor tip for MSD crank trigger distributors—longer life, lower cost per replacement.
Replace the only part that wears out.
MSD 84697 – Chevy V8 Crank Trigger
MSD 8558 – Tall Block Chevy V8
MSD 8377 / 83775 – Ford 351C–460
MSD 8489 – Chevy Crab Cap
MSD 8569 – Ford 351C–460
MSD 8378 – Ford 351W
& More
8457 Crank Trigger Distributor Rotor
8567 Crab Cap rotor
8423 Cap-A-Dapt