Cable Master spark plug wires for Chevy GMC SBC 8-piece Blue — HEI fit, silicone insulated

Cable Master Performance HEI spark plug wires are a complete blue 8-wire set plus coil lead engineered to deliver reliable ignition for select 1987–1996 Chevrolet and GMC 5.0L/5.7L SBC V8 engines.

These plug wires are a direct-fit replacement for many small-block Chevy applications using a remote-coil HEI distributor. Built with layered silicone, a spiral-wound nickel conductor and aramid core, the set is designed to provide consistent spark transfer while resisting heat, moisture and abrasion. The kit includes eight spark plug wires and one external coil wire, all with pre-fitted terminals and protective boots, and is backed by Cable Master’s 3-year free replacement support for manufacturing quality issues.

Will this set fit my 305, 350 or 383 small-block Chevy?

These wires are made for selected 1987–1996 Chevy and GMC 5.0L (305) and 5.7L (350) V8s that use an external-HEI-style remote coil and eight plug wires. They also cover custom SBC 383 builds when the terminal types and routing match your setup.

• OEM-style lengths and terminal positions for many Blazer, C/K, Suburban and G-series van applications.
• Marked compatibility with VIN H (305) and VIN K (350) engines in specified years.
• Check engine year, engine code and distributor/coils before ordering.

How are these wires constructed to handle heat and interference?

The design layers multiple materials to balance conductivity and durability. An aramid tensile core and fiberglass reinforcement provide strength, while inner and intermediate silicone insulators plus an outer silicone jacket protect against cracking, heat and oil exposure.

• Spiral-wound nickel conductor for low resistance and reliable spark transfer.
• Silicone layers and fiberglass for thermal and mechanical resilience.
• RFI suppression performance to minimize radio and electronics interference.

What comes in the package and how easy is installation?

The set ships with eight blue spark plug wires and one blue ignition coil wire pre-terminated with boots, so installation is a straightforward swap for matching HEI-style systems. Clear wire lengths and standard terminals make it suitable for most direct-fit replacements without cutting or crimping.

• Complete 9-piece kit: 8 plug wires + 1 coil lead with protective boots.
• Pre-fitted terminals reduce installation time and chance of mis-termination.
• Reference numbers included for cross-checking (e.g., 88862383, 9618V).

Will these wires work on lifted or custom SBC applications?

They are compatible with many custom small-block builds but require that your coil, distributor and terminal choices match the set’s fittings. Custom 383 swaps often need confirmation of terminal style and exact wire lengths to ensure proper routing and fit.

• Suitable if terminal and boot types align with your custom components.
• May require alternate lengths or terminals for extensively modified engine bays.
• Contact support or verify fitment diagrams for non-factory routing.

Who is this for? Enthusiasts and mechanics replacing aged or damaged ignition leads on selected ’87–’96 Chevrolet, GMC and AM General 5.0L/5.7L V8s who want an OEM-style, blue high-performance appearance with improved resistance to heat, vibration and radio-frequency interference. Ideal for daily drivers, restoration projects and mild performance SBC builds that use a remote HEI-style coil and standard small-block Chevrolet terminal configurations.