# Proform 66943C | Ignition Coil; HEI Style; Proform 66943C 50000 VOLT COIL CLM SHEL

### PROFORM 66943C APPLICATION SPECS:

Ignition Coil; HEI Style; 50,000 Volts Maximum

This coil is a nice upgrade over a stock coil and offers 15,000 more Volts. This will result in more completely burned fuel. Fits inside the HEI cap of PROFORM and other brand HEI distributors.

-   Recommended Use: High Performance
-   Coil Style: HEI
-   Internal Construction: Epoxy Filled
-   Maximum Voltage: 50000 Volt
-   Coil Wire Attachment Type: Male Blade
-   Color: Black
-   Diameter (IN): Not Applicable
-   Height (IN): 3 Inch
-   Includes Mounting Bracket: No
-   Includes Coil Wire: No
-   Includes Ballast Resistor: No

Proform 66943C 50000 VOLT COIL CLM SHEL

PRODUCT FEATURES:

Proform 66943C 50000 VOLT COIL CLM SHEL

### FAQ

**What part number is this?** The listed part number is 66943C.

**Is this product designed for direct replacement?** Confirm the original part specifications and intended application before ordering.

**Should I confirm compatibility before ordering?** Yes. Compare the original part and specifications before ordering.

### Common Searches

-   Proform 66943C
-   66943C specifications
-   Proform Ignition Coil; HEI Style; Proform 66943C 50000 VOLT COIL CLM SHEL

## Details

- **Price:** 103.07 CAD
- **Vendor:** Proform
- **Type:** Ignition Coil
- **Tags:** 66943C, Ignition Coil, Proform

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 103.07 CAD | In stock |

## Images

- Proform 66943C | Ignition Coil; HEI Style; Proform 66943C 50000 VOLT COIL CLM SHEL

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/66943c-vp-proform-518)
> Updated: 2026-10-20