Spark Plug for 1984-1996 Ford F-150 & More - Accel 0574S-4

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$35.99

MPN: 0574S-4

Item Package Quantity: 1

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ACCEL Spark Plug P/N:0574S-4

$35.99

Description

Get a strong, race-proven spark in a tight engine bay with the ACCEL U-Groove Shorty Spark Plug 0574S-4 (also written 0574S4), sold as a 4-pack. Its Shorty configuration shortens overall length to open up critical clearance between the plug boot and the header tube or exhaust manifold, and it installs as a direct-fit replacement across a broad list of applications including the 1982-1992 Buick Century [L4-2.5L], 1988-1995 Chevrolet C1500 [V8-5.7L], 1976-1987 Chevrolet Chevette [L4-1.6L], and hundreds more GM, Ford, Chrysler and Audi vehicles — see the Buyer's Guide tab for the full list.

Shorty header design: overall length reduced 3/16 in to 3/8 in to add air gap between the boot and header/manifold, helping avoid a burned boot or dimpled header tube and easing install where socket room is tight.
Copper core: ACCEL rates copper a better conductor than platinum or iridium for a stronger spark, and copper dissipates heat well to lessen the chance of a misfire.
U-Groove ground electrode & five-rib aluminum insulator with a copper-glass gas-tight seal.
Gapable with machine-rolled threads for precise thread engagement and torque retention.

Specs: 14 mm thread, .460 in reach, Heat Range 5, tapered seat, 5/8 in (0.625 in) hex, projected tip, resistor type, pre-gapped at 0.035 in. Country of origin: Czech Republic.

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

Frequently Asked Questions

What's included in this listing?

This listing is a 4-pack of ACCEL 0574S-4 U-Groove Shorty spark plugs.

What are the key specifications?

14 mm thread, .460 in reach, Heat Range 5, tapered seat, 5/8 in (0.625 in) hex, projected tip, resistor type, and a factory gap of 0.035 in.

How many spark plugs will my engine need?

Quantity varies by engine — the listed applications call for 1 or 2 per application. This package contains 4 plugs; confirm your engine's plug count before ordering.

What is the Shorty header design for?

The reduced overall length adds air gap between the plug boot and the header tube or exhaust manifold, helping prevent a burned boot or dimpled tube and easing install in tight spots.

Can I adjust the gap on these plugs?

Yes. ACCEL states these plugs are gapable, so you can open the gap for a larger flame kernel or close it for high-boost applications per your engine's requirements.