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Part fits the following years:1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973


1961-73 GTO Spark Plug Wire Sets, 8.2 mm Thundervolt Custom-Fit 326, 350, 389, 400

Part# TC84051


Mfg# 084051

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SAVE: $7.96 Retail: $79.95

OPGI Price: $71.99


Part Type: (P) High Performance, designed to improve performance
Years: Sold As: SET
2016 GTO Catalog Page: 297


Made for your engine application

  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.

The “Thundervoltcustom-fit (manufactured for your specific engine) plug wire sets were developed and dyno-tested to deliver more power and spark energy, while producing a smoother idle and improved fuel efficiency. The Ferrite spiral-wound core is coated with an exclusive copper/nickel alloy bonded by a conductive acrylic cover. The special dual Zimplex silicone outer jacketing protects up to 600° and provides extreme durability. The 100% silicone spark plug boots feature a double spring-locking plug terminal for a positive contact.

COLORS AVAILABLE: Black, blue or red.

Make & ModelYear RangeApplication Details
Pontiac GTO1961-1973 326, 350, 389, 400
Pontiac LeMans1961-1973 326, 350, 389, 400
Pontiac Tempest1961-1973 326, 350, 389, 400
Pontiac Grand Prix1959-1976 326, 350, 389, 400
Pontiac Catalina1959-1976 326, 350, 389, 400
Pontiac Bonneville1959-1976 326, 350, 389, 400
Buick Skylark1961-1972 400 V8
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