MSD 5553 Street-Fire 8mm Spark Plug Wire Set V8 Universal 90° HEI

The MSD 5553 Street-Fire Spark Plug Wire Set is a universal 8-cylinder wire set designed for V8 engines equipped with HEI (High Energy Ignition) distributors. Featuring 90-degree spark plug boots and dual-style distributor terminals (Male HEI post and Female socket), this set delivers reliable, high-performance ignition at an accessible price point.

Key Features:

• 8.0mm diameter black silicone and synthetic jacket resists heat, abrasion, and under-hood wear
• Helically wound spiral-core conductor suppresses electro-magnetic interference (EMI) and radio frequency interference (RFI)
• 500 ohms per foot resistance for optimized spark energy delivery
• Kevlar-reinforced core provides exceptional tensile strength and long-term durability
• Heavy-duty terminals ensure a secure, reliable connection at both the plug and distributor ends
• Black silicone boots on all 90-degree spark plug ends protect against high exhaust temperatures
• Dual distributor boot compatibility — fits both Male HEI post and Female socket-style distributors
• Coil wire included
• Legal for use on emissions-controlled, non-emissions-controlled, and race-only vehicles

What's Included:

• Two 56-inch wires
• Two 50-inch wires
• Two 42-inch wires
• Three 32-inch wires
• Vice-mount wire crimping/stripping tool (Stripper-Crimper) for custom-length installation

This is a universal fit set — the spark plug side comes pre-terminated with 90-degree boots and terminals, while the distributor end is left open for custom trimming and crimping to your specific application. The included MSD Stripper-Crimper tool makes installation straightforward, delivering a factory-quality crimp every time. Backed by MSD's one-year warranty.