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Vehicle Info NeededPROFORMPART NUMBER: 778-66941BC
Racing HEI Distributor & Coil for Small Block & Big Block Chevy with Blue Cap
$11499
Ships on 12/17/2026
Lowest Price GuaranteeItems You Need
![Distributor Shim Kit for Small Block & Big Block Chevy [Copper]](https://www.jegs.com/images/mini_200/500/555/555-40081.jpg)
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Part Number : 555-40081
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Part Number : 555-40083
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GM
- Racing HEI Distributor & Coil
- Small Block & Big Block Chevy
- Blue Cap
- Designed to meet the high performance demands of racing competition, this unit fits Chevy small block and big block engines.
- This 100% NEW distributor has all the reliable components of the 66940, but also includes a high-power 50,000 volt coil.
- This high-performance distributor produces a 50,000 bolt spark through 7.500 RPM with true spark alignment for instantaneous response, a high performance curve, a premium cap with brass terminals, and a low-saturation ignotion module.
- Polished die-cast aluminum housing
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Get the Best Value with an HEI Distributor Upgrade
Replace your stock distributor with a Proform HEI Distributor for an easy-to-install performance upgrade. You can trust Proform high-energy ignition (HEI) components to keep your engine running at peak performance.
Part TypeDistributor
Product LineProform High-Performance HEI Distributors & Accessories
BrandPROFORM
Package Height5.6
Package Width12.8
Package Length14.3
Weight6.9 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Engine Make/SizeChevy Small Block (262-400)
Vendor Part Number66941BC
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
