Denso 671-8020 Spark Plug Wire Set

Reliable Spark Plug Wire Set for GM Classic Models

The Denso 7mm Spark Plug Wire Set 671-8020 is engineered to deliver consistent ignition performance for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed specifically for models like the Camaro, Firebird, and Caprice, this set ensures optimal electrical conductivity and durability.

• Silicone spark plug boot material for heat resistance and flexibility
• 7.00mm insulation outside diameter for effective electrical insulation
• Female distributor coil end terminals for secure connections
• 90-degree angled female spark plug end boots (5 angled, 3 straight) for precise fitment
• Compatible with multiple GM classic models including Brougham, Fleetwood, and Roadmaster

Detailed Features of the Denso 7mm Spark Plug Wire Set

The Denso 7mm line is known for its balance of durability and performance, making it suitable for ignition wire applications requiring reliable insulation and terminal design. This spark plug wire set features silicone boots that resist heat and cracking, maintaining integrity under engine stress. The 7.00mm insulation diameter provides adequate protection against electrical interference and arcing. Female terminals on both the distributor coil and spark plug ends ensure a secure and stable connection, reducing the risk of misfires. The set includes five angled 90-degree spark plug boots and three straight boots, accommodating various engine configurations found in Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles.

Compatible Vehicles and Applications

• Buick Brougham and Roadmaster ignition wire replacement
• Cadillac Fleetwood and Commercial Chassis ignition system maintenance
• Chevrolet Camaro and Caprice spark plug wire upgrade
• Oldsmobile Custom Cruiser ignition wire set installation
• Pontiac Firebird ignition component replacement

Installation Notes and Tips

• Ensure engine is cool before removing old spark plug wires
• Match each wire length and boot angle to the original configuration for proper fit
• Use dielectric grease on boots to improve connection and prevent moisture intrusion
• Route wires away from hot engine components to avoid premature wear
• Verify secure terminal connections at both distributor coil and spark plugs

Quality Assurance and Warranty

Denso manufactures the 7mm Spark Plug Wire Set 671-8020 to meet OEM specifications for ignition wire performance and durability. The use of silicone boots and precise terminal design supports long-term reliability. While specific warranty details are not provided, Denso products typically adhere to industry standards for quality and fitment assurance.