Deliver clean, reliable spark to every cylinder with the Walker Products ThunderCore PRO Spark Plug Wire Set 924-1272. This wire set carries high-voltage current from the ignition coil and/or distributor to the spark plugs to ignite the fuel-air mixture in each cylinder — a vital link in efficient engine operation. It fits a wide span of classic Ford, Mercury, GMC and Studebaker applications, including the 1966-1974 Ford Bronco [L6-2.8L, L6-3.3L, L6-3.9L], 1960-1976 Ford F-100/F-250/F-350, 1961-1967 Ford Econoline, 1960-1970 Ford Falcon and 1960-1969 Mercury Comet, plus many more (see the "Vehicles it fits" section for the complete list and engine codes).
- Wire construction: SAE J2031 rated, Class E Silicone, EPDM insulation with a 350-ohm Kevlar core, ferrite impregnated and stainless-steel "MAG" wound.
- High-temperature durability: operating temperature resistance that exceeds 450°F.
- Suppression: RFI and EMI suppression technology helps minimize ignition interference.
- Complete kit: includes hi-temperature boots, OE-quality terminals, tips, tubes and dielectric grease.
A latex silicone layer helps enhance conductive efficiency and core stability, while a braided inner tape adds flexibility and strength. Precision manufactured in an ISO 9001/IATF16949 certified facility and engineered to satisfy OEM specifications and test requirements. Country of origin: United States. Manufacturer part number 924-1272 (also 9241272).
This part cross-references / interchanges with the following part numbers:
700165, 9309, 4025, OES351, 35-6188, 35-6189, 671-6103, 4456, 2962, 103, 143, 9119, 9129, 126033, 601, 9127, 9638
Frequently Asked Questions
What does this spark plug wire set do?
It carries high-voltage current from the ignition coil and/or distributor to the spark plugs to ignite the fuel-air mixture in each cylinder, a key part of efficient engine operation.
What vehicles does the 924-1272 set fit?
It fits many classic Ford, Mercury, GMC and Studebaker applications, such as the 1966-1974 Ford Bronco, 1960-1976 Ford F-100 and 1960-1969 Mercury Comet. See the "Vehicles it fits" section for the full list.
What is included with this set?
It includes hi-temperature boots, OE-quality terminals, tips, tubes and dielectric grease, so you have the components needed to complete the wire set installation.
What is the temperature and construction rating?
The set uses SAE J2031 rated, Class E Silicone EPDM wire with a 350-ohm ferrite-impregnated Kevlar core, "MAG" wound with stainless steel, and offers operating temperature resistance exceeding 450°F.
What are signs my spark plug wires may need replacing?
Rough idle, engine misfire or hesitation can be signs worn ignition wires may need replacing. Diagnose the cause first, since these symptoms can have other sources.
