Big Block Chevy Ignition Parts & Upgrades

Shop MSD crank trigger systems for precise crankshaft position sensing and ignition timing. Find complete flying-magnet and Hall-effect crank trigger kits for Chevrolet and Ford engines, plus trigger wheels, sensors, magnetic pickups, brackets, wiring harnesses, and replacement components for performance, racing, and EFI applications.

Get more spark for your buck with MSD's latest deals. Browse sale and clearance ignition products, wiring components, EFI parts, and more.

Shop MSD performance ignition distributors for street, racing, marine, and EFI applications. Explore Pro-Billet, Ready-to-Run, Dual Sync EFI, crank-trigger, cam-sync, front-drive, Street Fire, and Pro Mag systems for Chevrolet, Ford, Chrysler, Pontiac, and Oldsmobile engines, plus distributor caps, rotors, gears, conversion kits, and replacement components.

Shop MSD performance ignition boxes for street, strip, drag racing, circle track, road racing, marine, and off-road applications. Find 6-Series, 7-Series, Street Fire, Power Grid, Pro 600, LS, Hemi, and distributorless ignition controls with multi-spark technology, rev limiting, and adjustable timing.

Shop MSD spark plug wires for street, racing, and restoration applications. Find 8.5mm Super Conductor, Street Fire, race-tailored, universal, and vehicle-specific wire sets with low-resistance cores, heat-resistant silicone insulation, and reduced EMI for Chevy, GM LS and LT, Ford Windsor and Coyote, Mopar HEMI, and other engines.

Shop MSD DynaForce high-torque and high-speed starters for performance and racing applications. Find compact gear-reduction starters with heavy-duty solenoids for high-compression, turbocharged, and supercharged engines, with direct-fit options for Chevy small- and big-block, GM LS, Ford Windsor, Ford FE, Chrysler, AMC, Oldsmobile, and Pontiac platforms.