Two builds × two jackets—cut to length for your distributor-based V8. Pick your combo below, then browse the products.
Shielded: 95%+ copper braid + ground pigtail for EMI/RFI control (20–60 dB).
Standard (Unshielded): Same rugged build, no braid. Choose 0 Ω or ~500 Ω/ft suppression core.
Fiberglass Braid (≈1200 °F): Highest heat margin, stiffer, cut-resistant woven jacket.
Silicone-Coated (~650 °F): More flexible, wipe-clean surface.
V8 families we support
- Chevy SBC (262–400)
- Chevy BBC (396–502)
- Chevy LT1 / LT4 (1992–97 OptiSpark only)
- Ford SBF (289/302/351W)
- Ford BBF (429/460)
- Ford FE (352/390/427/428)
- Mopar LA / Magnum (273/318/340/360)
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AMC V8s (290–401)
- Mopar B / RB (361/383/400/413/426W/440)
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Pontiac V8s
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Oldsmobile V8s
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Buick V8s
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Cadillac 472/500
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International 345/392
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Rover V8 (3.5–4.6)
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Marine GM-based (5.0/5.7/7.4)
Terminations we stock: small-cap (female socket) & HEI (male tower). Plug boots straight/45°/90°; ceramic available.
Not supported in this listing: Early/426 Hemi plug-tube engines, modern Gen III “Hemi” (5.7/6.1/6.2/6.4), GM LS / Gen V LT, Ford Modular/Coyote (4.6/5.4/5.0), Cadillac Northstar, GM 8.1/496.
