Moroso 51527 Ultra Series Spark Plug Wires Small Block Chevy Over Valve Cover HEI

The Moroso 51527 Ultra Series spark plug wire set delivers maximum performance for small block Chevrolet engines with HEI distributors. These premium ignition wires feature a distinctive black sleeved construction that provides excellent protection against heat, abrasion, and electrical interference while maintaining a clean, professional appearance under the hood.

Key Features:

• Ultra Series high-performance design for maximum spark energy delivery
• Black sleeved construction protects against heat and abrasion
• Over valve cover routing keeps wires away from hot exhaust manifolds
• 135-degree plug ends provide proper clearance and secure connections
• Configured for HEI distributor applications
• Low-resistance conductor core ensures strong spark at high RPM
• Precision-fit terminals provide reliable electrical connections
• Designed specifically for small block Chevrolet engines

This wire set is engineered for enthusiasts who demand reliable ignition performance in street, strip, and high-performance applications. The over-valve-cover routing design maximizes clearance in tight engine compartments while the 135-degree plug boots ensure proper fitment on various cylinder head configurations.