Moroso Chevrolet Small Block Ignition Wire Set - Ultra 40 - Unsleeved - Non-HEI - Over Valve - Red

This is the Moroso Ultra 40 ignition wire set, specifically designed for Chevrolet small block engines. These are unsleeved, red wires intended for non-HEI distributors and feature an over-valve cover routing. They are a well-built replacement for your stock wires, helping to ensure a strong spark gets to your spark plugs.

The Ultra 40 wires use a 40-ohm per foot resistance conductor, which is a solid choice for reducing RFI (radio frequency interference) while still allowing a strong spark. The unsleeved design means the conductor is directly exposed, which can be beneficial in tight engine bays where sleeve abrasion might be a concern, though it requires careful routing to avoid contact with hot exhaust components. This set is configured for routing over the valve covers, which is a common setup for many small block Chevy applications.

When installing these, pay close attention to routing them away from exhaust manifolds or headers to prevent premature damage. Ensure each wire clicks securely onto both the spark plug and the distributor cap for a reliable connection.