Spark Plug for 1970 Ford Mustang & More - Champion 409

$5.99

Part number: 409

UPC: 037551000074

Condition: New

Weight: 0.15 LBS

Item Package Quantity: 1

$5.99

Current Stock: 117

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Champion Spark Plug Spark Plug P/N:409

$5.99

Description

Champion 409 spark plug for the 1970 Ford Mustang V8 7.0L and other vehicles creates the spark that ignites the fuel mixture in each cylinder.

Champion Copper Plus spark plug with a copper core center electrode for accurate heat range control
Coated shell for corrosion resistance in harsh environments
Resistor design that minimizes electrical interference to sensitive electronics
Pre-gapped design that simplifies installation
Engineered for reliable ignition in all weather conditions

Quick facts

Part: Champion 409 spark plug
Fits: 1970 Ford Mustang V8 7.0L and other vehicles
Condition: New

Hard starting, rough idle or misfires can mean the plug is worn, though a weak ignition coil or a fuel delivery problem can be behind the same signs, so find the cause before replacing it.

Fits

Vehicles it fits include the 1970 Ford Mustang V8 7.0L, the 1972-1974 TVR 3000M V8 4.7L and the 1967-1973 AC 428 V8 7.0L. Open the "Vehicles it fits" section to check your exact model and engine. The plug is built to meet OE fit, form and function.

Specifications

Fit and size

Quantity per vehicle: 8
Thread diameter: 18.000 mm (0.709 in)
Seat type: Tapered
Pre-gap: 0.035 in (0.90 mm)

Build and materials

Plug type: RF9YC
Line: Champion Copper Plus, standard replacement grade
Resistor: Yes
Center electrode tip material: Nickel
Condition: New
Country of origin: Mexico

In the box

One spark plug; washers are not included. This listing is one plug, and the 1970 Ford Mustang V8 7.0L takes eight.

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

Buyer's Q&A

Frequently Asked Questions

Is this the right Mustang plug for a 1970 Ford Mustang V8 7.0L?

Yes, Champion 409 spark plug is listed for the 1970 Ford Mustang V8 7.0L, which takes eight plugs; for another car, open the "Vehicles it fits" section to check its model and engine.

Does the Champion 409 spark plug come with washers?

No, washers are not included. This listing is one spark plug, and the V8 engines it fits take eight.

What gap does the Champion Copper Plus 409 come set to?

Champion 409 comes pre-gapped at 0.035 in (0.90 mm), which simplifies installation. It has an 18.000 mm (0.709 in) thread diameter and a tapered seat.

Is this copper core spark plug a resistor type?

Yes, this plug has a resistor. The resistor design minimizes electrical interference to protect sensitive electronics.

What can show a spark plug like this one is worn?

With the engine off and cool, a worn or rounded electrode, a cracked insulator or heavy deposits on a removed plug can show it is worn. A shop can test the ignition and fuel side if you are unsure.