MAS HEI Ignition Distributor Kit for Chevy V8s — Red Cap, 65kV Coil-In-Cap with Wiring Set

MAS Racing HEI Ignition Distributor with complete wiring set is a direct-fit replacement for Chevy small- and big-block V8s that delivers a coil-in-cap 65,000-volt ignition solution with OEM compatibility.

This kit replaces the distributor, cap, rotor, coil and wiring for a range of GM V8 engines—covering popular displacements from 302 to 454, including SBC and BBC families. Built to meet OEM standards, the MAS unit combines a coil-in-cap HEI design, a red cap for traditional fitment, a 90-degree boot for plug clearance, and a durable 20CR steel gear for long life. It comes as a full package with a pigtail harness and matched spark plug wires so you can swap the system without hunting for separate parts.

Will this distributor fit my Chevy engine and which models are covered?

The MAS HEI distributor is designed for small- and big-block Chevrolet V8s and lists broad compatibility across classic and later GM engines. It suits many SBC/ BBC applications including 283, 305, 307, 327, 350, 396, 400, 427, and 454, and supports 4.6L to 7.4L V8s where the OEM HEI footprint is required.

• Fits common Chevy references: 1035001 HEI, PC6001A HEI, JM6500R, PE350R.
• Applications include Chevrolet C10, GMC trucks, and numerous small- and big-block builds.
• Intended for coil-in-cap HEI systems with red cap style and 90° plug boot clearance.

How does the MAS kit improve ignition reliability for hot-rodding or daily driving?

The MAS kit provides a high-voltage 65,000V coil-in-cap assembly and matched spark plug wires that reduce misfires and improve spark consistency under load. The robust steel gear and OEM-grade materials resist wear and maintain timing accuracy over time.

• 65kV coil-in-cap design for stronger spark delivery to each cylinder.
• 20CR heat-treated steel gear resists wear in high-mileage engines.
• Complete wiring and pigtail included to prevent mismatch and simplify installation.

What comes in the box and what tools or prep are needed for installation?

Packaging includes a fully assembled distributor (cap, rotor and coil installed), one pigtail wire harness and a set of spark plug wires with 90-degree boots. Basic hand tools, a timing light, and a service manual or engine-specific timing specs are recommended for proper setup.

• Included: distributor assembly, rotor, red cap, coil, pigtail harness, spark plug wires.
• Recommended: socket set, torque wrench, distributor hold-down, timing light, distributor base gasket if needed.
• Installation note: verify rotor position and set initial timing per engine spec before final tuning.

What warranties and durability features should I expect?

MAS backs this HEI kit with a one-year limited warranty covering defects in materials and workmanship. Durability is enhanced by OEM-standard components and a hardened 20CR steel gear designed to resist wear from oil and mechanical load.

• One-year limited warranty included.
• OEM-standard parts ensure fit and function comparable to original equipment.
• Hardened gear material extends service life in performance and daily-use engines.

Who this product is for: This MAS Racing HEI distributor and wiring kit is aimed at classic Chevy owners restoring C10s and other GM trucks, hot-rodders swapping or upgrading ignition systems on SBC/BBC V8s, and mechanics who want a single, OEM-compatible replacement that includes coil, cap, rotor and plug wires. It’s especially useful when you need a direct-fit HEI solution with durable internals and a full wiring package for a quick, dependable installation.