MAS HEI Distributor for Chevy V8s — Red Cap with Wiring Kit, 65K Coil Compatible, 20CR Steel Gears

MAS Performance HEI distributor with red cap and complete wiring kit is a drop-in ignition upgrade designed to replace stock distributors on Chevy small- and big-block V8 engines for improved reliability and simple installation.

This complete MAS kit bundles a high-energy ignition (HEI) distributor body with a 65K coil-compatible wiring harness, red cap and 90° boot components so you can refresh the ignition system on Chevrolet and GMC V8 vehicles without reworking the engine. Built for common Chevy applications from 4.3L to 7.4L and backed by a one-year limited warranty, the unit uses hardened 20CR steel gears for long life and includes plug-friendly boots for tight engine bays.

Which engines and vehicles will this MAS distributor fit?

The MAS HEI distributor supports a broad range of Chevrolet, GMC, Pontiac, Oldsmobile and Buick V8 platforms. It is intended for SBC and BBC engines including 262–400 small blocks and 402–454 big blocks, and fits many classic and truck applications.

• Compatible with Chevy C/K trucks, Suburbans, Blazers, Camaro, Corvette, Impala and more.
• Fits GMC full-size trucks, Vanduras, and many SUV models listed in the fitment notes.
• Also suits various Oldsmobile, Pontiac and Buick V8 models from the same era.

How easy is installation and what comes in the wiring kit?

Installation is straightforward for mechanically inclined DIYers and professional shops — the distributor is a direct-replacement pattern and the wiring kit routes to a 65K-compatible coil. No core machining or adapter plates are required for most compatible engines.

• Complete wiring harness tailored for HEI coil connections and standard GM connectors.
• Red distributor cap and spark plug 90° boots included for tight-clearance spark plug wells.
• Pre-assembled rotor and plug-wire-ready terminals to reduce installation time.

What materials and durability features does the MAS distributor use?

MAS engineered this distributor with longevity in mind: the internal drive gears are specially treated 20CR steel to resist wear, and the assembly is designed to tolerate typical engine bay heat and vibration. The 90° boots protect spark connections in cramped engine compartments.

• 20CR hardened steel gearset for improved wear resistance over stock gears.
• Robust housing and cap materials to withstand road and engine conditions.
• One-year limited warranty covering defects and replacement needs.

Will this work with my existing ignition coil and electronics?

The distributor is compatible with HEI systems and specifically noted as 65K coil compatible; confirm your vehicle’s coil resistance and module type before purchase. It pairs well with standard GM HEI coils and common aftermarket ignition modules used in SBC/BBC builds.

• Designed for HEI coil setups; supports typical 65K coil configurations.
• Uses standard GM wiring terminals to integrate with existing harnesses or aftermarket upgrades.
• Suitable for both restoration and performance replacement projects.

Who is this for? The MAS Performance HEI distributor and wiring kit is aimed at classic Chevy and GMC owners, hot-rodders rebuilding SBC/BBC engines, and mechanics needing a reliable, direct-fit replacement. If you’re restoring a C10, upgrading ignition reliability on a Camaro or Corvette, or swapping a worn distributor on trucks and vans, this kit gives a practical, durable solution without complex modifications.