The MSD 31229 is a premium 8.5mm Super Conductor spark plug wire set engineered for maximum voltage delivery and electromagnetic interference (EMI) suppression. These wires feature MSD's proprietary conductor and insulation technology for superior spark delivery and durability.

Technical Specifications:

• Wire Diameter: 8.5mm
• Core Type: Copper-alloy conductor
• Core Material: Helically wound copper/stainless
• Resistance Rating: 40-50 ohms per foot
• Insulation: Dual layer silicone jacket
• Outer Sleeve: Heavy-duty silicone
• Temperature Rating: Up to 550°F (288°C)
• Dielectric Strength: 40 KV
• RFI/EMI: Superior suppression
• Terminal Type: Factory-crimped boots

Construction Features:

• Spiral-wound copper/nickel alloy core
• Ferro-magnetic impregnated center core
• Double-layer silicone insulation
• Reinforced core-to-terminal connection
• Custom-fit length for each cylinder
• Heavy-duty terminal crimps
• Heat-shrink sleeve protection
• Color: Red
• Boot Style: Straight and 90-degree options

Application Specifics:

• Fits HEI and standard distributors
• Universal fit for most V8 applications
• Compatible with aftermarket headers
• Suitable for forced induction
• Racing-grade construction
• High-energy ignition compatible

Performance Benefits:

• Lower resistance for maximum spark
• Enhanced RFI suppression
• Improved voltage delivery
• Consistent spark energy transfer
• Reduced crossfire interference
• Superior heat protection
• Moisture-resistant design
• Extended service life

Installation Notes:

• Direct OEM replacement
• No special tools required
• Includes numbered wire separators
• Pre-fitted boots
• Universal fit design
• Complete hardware included
• Boot removal tool included

Maintenance Requirements:

• Regular visual inspection
• Clean with silicone-based cleaner
• Check boot seal integrity
• Inspect for heat damage
• Test resistance periodically
• Replace boots if damaged