Chevrolet HEI Distributor with Coil in Cap, Small Block and Big Block V8

Chevrolet HEI Distributor with Coil in Cap for Small Block & Big Block V8

Aeroflow’s budget‑friendly XPRO line delivers a performance‑ready Chevrolet HEI distributor with coil in cap, engineered specifically for GM Chev V8 engines. The robust, compact design combines a 6061‑T6 billet aluminum body with a high‑output ignition system, reducing wiring complexity by eliminating the need for an external ignition box.

Key advantages

• Integrated ignition system: built‑in 4‑pin ignition module and a 50,000‑volt coil mounted at the top for a strong, consistent spark.
• No external ignition box required: simplifies wiring, speeds up installation, and keeps the engine bay tidy.
• Durable drive gear: 20CRMOTI steel gear engineered for reliability across a range of cam profiles.
• Vacuum advance with lockout: adjustable timing control with the option to disable the vacuum feature when desired.
• Cap and rotor path: high voltage travels from the rotor to the brass terminals of the distributor cap and on to the plugs.

Construction and finish options

• Body: machined 6061‑T6 billet aluminum for strength and lightweight performance.
• Cap color options: red or black cap to suit your engine bay styling.
• Finish choices: machined alloy body or all black body and cap for a stealth appearance.

Capacities and dimensions

• Cap diameter: 152 mm (6 inches)
• Cap height: 117 mm (4‑5/8 inches)
• Sits 203 mm (8 inches) off the intake manifold

Compatibility and performance

Designed specifically for Chevrolet small block and big block V8 engines, the XPRO HEI distributor combines a rugged machined alloy body with a built‑in ignition system to simplify wiring and deliver dependable performance under both street and performance conditions. The 20CRMOTI steel gear ensures durability across a wide range of cam profiles, making it suitable for daily driving as well as higher‑performance setups.