Spark Plug for 2008-2010 Ford F-150 & More - ACCEL 8161C1

$133.99

Part number: 8161C1

UPC: 090127745823

Condition: New

Weight: 0.80 LBS

Item Package Quantity: 1

$133.99

Current Stock: 3

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SPARK PLUG FORD LATE V8

$133.99

Description

ACCEL 8161C1 spark plug for the 2008-2010 Ford F-150 V8 5.4L and other vehicles sparks across its gap to ignite the air-fuel mixture in the cylinder. This resistor spark plug has a projected tip and a tapered seat, and it is made for street or strip use.

ACCEL HP Copper Spark Plug line, with a copper core that delivers a strong spark under high combustion pressures
Copper core dissipates heat well, which lessens the chance of a misfire
C-Cut design that un-shrouds the spark kernel during ignition
Machine rolled threads for precise thread engagement and torque retention

Quick facts

Part: ACCEL 8161C1 spark plug
Fits: 2008-2010 Ford F-150 V8 5.4L and other vehicles

A misfire, a rough idle or hard starting can mean the spark plugs are worn or fouled. A weak ignition coil, a torn coil boot or a clogged fuel injector can be behind those signs too, so find the cause before buying a new set.

Fits

The vehicles it fits include the 2008-2010 Ford F-150 V8 5.4L and the 2008-2010 Ford Explorer V8 4.6L. It is also a direct-fit spark plug for the 2008-2014 Ford Expedition V8 5.4L.

Specifications

Fit and size

Thread size: 12mm
Thread pitch: 1.25mm
Reach: 1.040 in.
Hex size: 9/16 in. (0.5625 in.)
Seat type: Tapered
Spark plugs per pack: 8

Build and materials

Core: Copper
Heat range: One step colder than stock
Resistor: Yes
Projected tip: Yes
Country of origin: Czech Republic

In the box

This listing is one pack of eight spark plugs, and the vehicles it fits take one pack.

Installation notes

The spark plug is gapable: open the gap to expose a larger flame kernel, or close it for high boost applications.
Torque: 7 ft/lbs. - 11 ft/lbs.

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

Buyer's Q&A

Frequently Asked Questions

Is this the right spark plug for a 2008-2010 Ford F-150 V8 5.4L?

Yes. The ACCEL 8161C1 fits the 2008-2010 Ford F-150 V8 5.4L; if you drive a different Ford, look for your model and engine in the "Vehicles it fits" section.

Can I use this as the spark plug for a 2008-2010 Ford Explorer V8 4.6L?

Yes. The ACCEL 8161C1 fits the 2008-2010 Ford Explorer V8 4.6L.

What heat range and thread does this ACCEL HP copper spark plug have?

This spark plug is one heat range step colder than stock, with a 12mm thread, 1.25mm thread pitch, 1.040 in. reach and a tapered seat.

How can a worn copper-core spark plug show up while driving?

A worn spark plug can show up as a misfire, a rough idle or hard starting, and a shop can test the ignition system if you are unsure.

Can I adjust the gap on these ACCEL HP spark plugs?

Yes. These spark plugs are gapable, so the gap can be opened for a larger flame kernel or closed for high boost; tighten them to 7 ft/lbs. - 11 ft/lbs.