Deliver a stronger, cleaner spark to every cylinder with the ACCEL SuperStock 4000 Series Spark Plug Wire Set (P/N 4038). This universal-fit set uses a yellow 8mm silicone jacket over a copper core and is designed to upgrade an OE ignition system for high-spark delivery on street-driven applications. It fits a broad list of classic V8 engines — including the 1960-1974 American Motors Ambassador, 1959-1974 Buick Electra, 1953-1974 Cadillac Eldorado, and 1967-1972 Chevrolet Camaro — spanning V8-3.5L through V8-8.2L; see the Buyer's Guide tab for the full list of 805 applications.
Sold as a set; one set is used per listed application. Made in China. Torn, cracked, or arcing wires are common signs an ignition wire set may need replacing.
What is the ACCEL 4038 wire set made of?
It uses an 8mm copper core with a 450°F-rated silicone jacket extruded over a woven fiberglass braid and high-dielectric-strength EPDM inner insulation, with stainless steel plug terminals and straight boots.
Is this a universal-fit set?
Yes. It is a custom-fit universal set with import coverage that fits the listed V8 applications spanning V8-3.5L through V8-8.2L. Check the Buyer's Guide tab to confirm your vehicle.
How many sets do I need?
The listed applications use one set each (quantity per application: 1). This listing is for a single spark plug wire set.
Will it work on both HEI and pre-HEI ignitions?
Yes. The SuperStock 4000 Series is designed to cover pre- and post-HEI vehicles and includes RFI suppression for street-driven applications.
What are signs my plug wires need replacing?
Cracked, torn, or oil-soaked insulation, visible arcing, rough running, or misfires can indicate worn ignition wires. Diagnose the cause before replacing to confirm the wires are the issue.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
