Description

Autolite XP24 Iridium XP Spark Plug – Fine-Wire Resistor

Condition: New Old Stock

Autolite XP24 Iridium XP spark plug featuring a 0.6 mm fine-wire iridium-enhanced center electrode and platinum-enhanced ground electrode. Its resistor construction and tapered seat are designed for compatible automotive ignition systems.

Suitable for routine maintenance or replacement of worn spark plugs in the applications listed below.

Sold individually—one spark plug per purchase.

Specifications

Brand: Autolite

Part number: XP24

Series: Iridium XP

Center electrode tip: Iridium-enhanced fine wire

Fine-wire diameter: 0.6 mm

Ground electrode tip: Platinum

Resistor: Yes

Thread size: M14 × 1.25

Nominal thread reach: 0.460 inch / approximately 11.7 mm

Hex size: 5/8 inch / approximately 16 mm

Seat: Tapered

Insulator: Ceramic

Catalog preset gap: 0.044 inch / approximately 1.1 mm

Quantity: One spark plug. 

Selected fitment

Ford F-150 1984 and 1987–1996: 5.8L V8

Ford F-150 1985–1986: 5.0L V8

Ford F-250 1984–1997: 5.8L V8

Ford F-350 1984–1997: 5.8L V8

Ford Bronco 1984–1985 and 1987–1996: 5.8L V8

Chevrolet Camaro 1985–1987: selected 5.0L V8 applications

Pontiac Firebird 1985–1986: selected 5.0L V8 applications

Chevrolet Monte Carlo 1986: 5.0L V8

Chevrolet El Camino 1986: 5.0L V8

Chevrolet Caprice 1990–1992: selected 5.7L V8 applications. 

Confirm the exact engine, cylinder heads, and required gap before purchase. These are selected catalog applications, not blanket compatibility with every engine offered in those models.