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MAS Ignition Distributor with cap and rotor is a direct-fit replacement for LT1/Optispark V8 5.7L engines, restoring timed spark for Chevrolet, Buick and Pontiac models from the mid-1990s. When an aging Optispark distributor starts causing misfires, stalling or erratic idle, swapping in a complete...

MAS One round ignition coils on plug pack are direct-fit replacement coils engineered to restore reliable spark in many GM V8 engines (4.8L, 5.3L, 6.0L) that use the round UF262-style coil. If your Chevy, GMC or Cadillac with a V8 engine is misfiring, running...

A complete high-energy ignition (HEI) distributor assembly from MAS with red cap, wiring kit, and 65K coil compatibility built for Chevrolet small- and big-block V8 engines. This MAS Performance HEI distributor replaces aging original equipment units for Chevrolet and GMC small-blocks (262–400) and big-blocks...

MAS Performance Ignition Distributor with cap and rotor is a direct-fit replacement for many Chevy/GM small- and big-block V8 engines, delivering high-voltage spark up to 65k and reliable operation to 7,500 RPM. This distributor assembly is designed as a like-for-like replacement for a range...

MAS Red Cap HEI Distributor kit is a complete drop-in replacement that pairs a high-performance HEI distributor with matched spark plug wires and a free pigtail to restore ignition reliability on Chrysler, Dodge and Plymouth V8 engines (273/318/340/360). This all-in-one MAS kit is designed...