Chevy HEI Racing Distributor; w/o Vac. Adv. 66941RM (PFM66941RM)

Chevy HEI Racing Distributor – No Vacuum Advance (Race-Series)

By PROFORM Parts – High Performance Ignition for Chevy V8 Engines

Unleash peak performance in your Chevy small or big block engine with the PROFORM Race-Series HEI Distributor. Purpose-built for racing and high-RPM applications, this high-output ignition system delivers a blistering 50,000-volt spark all the way through 7,500 RPM – ensuring lightning-fast throttle response and maximum combustion efficiency on the track.

Key Features:

• Race-Optimized Design – Mechanical advance only (22°), locked-out vacuum for precise timing control in race conditions
• Premium Cap – Aalkyd cap with brass terminals for superior conductivity and arc resistance
• High-Output Coil – Built-in 50,000-volt in-cap coil with a magnetic pickup trigger, engineered for reliable, high-RPM performance
• Durable Housing – Die-cast aluminum body with a polished billet-style finish for both form and function
• Heavy-Duty Gear – Comes equipped with a cast iron drive gear for long-term durability and compatibility with standard camshafts
• Direct Fitment – Designed to fit Chevy V8 engines from 1955–1982, including small block and big block variants
• Complete Assembly – 100% brand new components—never remanufactured or refurbished
• No Extra Ignition Box Needed – Standalone operation with no need for an external ignition control module

Ideal For:

• Drag Racing
• Circle Track
• Off-Road Racing
• Any high-RPM performance application where vacuum advance is not required

Upgrade your ignition and bring out the full potential of your classic Chevy V8 with a distributor built to handle real racing demands. Choose PROFORM’s Race-Series HEI Distributor — where performance, reliability, and precision spark come standard.