High-Performance Spark Plug Wire Set SP10-390-1010

Premium conductive core ensures maximum voltage transfer for consistent spark delivery. Durable silicone jacket resists heat, abrasion, and chemical corrosion for long-lasting reliability. Precision-crafted terminals provide secure fitment on Chevrolet, AM General HEI SBC, BBC 350, 383, and 454 engines.

Optimized for high-performance and classic muscle car applications. Ideal for racing, towing, or daily driving with enhanced ignition efficiency. OE-spec design guarantees hassle-free installation without modifications.

Ultra-low resistance reduces RFI/EMI interference for smoother engine operation. Reinforced boot collars prevent arcing and moisture ingress in harsh conditions. Direct-fit replacement maintains factory routing for clean underhood appearance.

Engineered for extreme temperatures (-40°F to 500°F) with flexible, kink-resistant construction. Laboratory-tested to exceed OEM durability standards. Perfect for restorations, upgrades, or fleet maintenance.

Bulk pricing available for commercial repair shops and distributors. Ships globally with wholesale discounts on large orders. Unmatched value without compromising quality.