Proform
Proform Chevy Iron Distributor Gear for .491in Shaft - 66961C
Proform Chevy Iron Distributor Gear for .491in Shaft - 66961C
Regular price
$40.99 USD
Regular price
Sale price
$40.99 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: .491in ShaftFitment notes & questions
Chevy Iron Distributor Gear for .491in Shaft 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: 66961C
Specifications
- Weight: 0.325 lbs
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

Before you order: .491in Shaft ignition part fitment
Ignition parts create and deliver the spark that lights the fuel in each cylinder.
Fitment notes
- Listed for: .491in Shaft.
- 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? Send us your year, make, model, engine and trim and we'll check before you order.
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 .491in Shaft ignition part
Will this fit my .491in Shaft?
It is listed for the .491in Shaft. 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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