Proform
Proform Chevy V8 High Performance Distributors - 66940RC
Proform Chevy V8 High Performance Distributors - 66940RC
Regular price
$133.99 USD
Regular price
Sale price
$133.99 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet V8 HighFitment notes & questions
Chevy V8 High Performance Distributors from Proform, listed for Chevrolet. Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.
Quick facts
- Brand: Proform
- Part type: Ignition part
- Listed for: Chevrolet
- Part number: 66940RC
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

Before you order: Chevrolet V8 High ignition part fitment
Ignition parts create and deliver the spark that lights the fuel in each cylinder.
Fitment notes
- Listed for: Chevrolet V8 High.
- Specs, lead time and warranty come from Proform and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentPlan the whole job
- Plug wires or boots. Old wires and boots crack.
More for your car: Chevrolet Parts · All Spark Plugs · Batteries & electrical
Questions about Chevrolet V8 High ignition part
Will this fit my Chevrolet V8 High?
It is listed for the Chevrolet V8 High. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
How often should spark plugs be replaced?
Your maintenance schedule lists it; long-life plugs often go 60,000 to 100,000 miles.
Where do specs and warranty details come from?
From Proform. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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