Proform Spark Plug Wire Loom - Valve Cover Mount - 7-8 mm - Chevy Bowtie Logo - Chrome - Big Block Chevy H77403F Variable 125-200 lb/in spring rate

Variable 125-200 lb/in spring rate

Brass coil wire contact increases energy transfer and resists corrosion better than aluminum

the Three Stage Retard Control has an optional start retard function that retards the timing 10 or 25 while cranking the engine

Loop is designed to fit inside factory tunnel and work with most driveshafts up to 4" in diameter

Proform Spark Plug Wire Loom - Valve Cover Mount - 7-8 mm - Chevy Bowtie Logo - Chrome - Big Block Chevy H77403F Variable 125-200 lb/in spring rateProform Linear Spark Plug Wire Loom Bow Tie Emblem 141 639 Chrome Individually Engineered For Each Engine Hold Wires In Optimum Location Secured w SLOTLOK Design Applications include: Bel Air, Biscayne, Blazer, Blazer K5, Brookwood, C10 Pickup, C10 Suburban, C15 Pickup, C15 Suburban, C15 C1500 Pickup, C15 C1500 Suburban, C1500 Pickup, C1500 Suburban, C20 Pickup, C20 Suburban, C25 Pickup, C25 Suburban, C25 C2500 Pickup, C25 C2500 Suburban, C2500 Pickup