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The Moroso Ultra 40 ignition wire set for Chevrolet small block engines is an unsleeved HEI under-header kit in blue, designed to route beneath the headers while maintaining HEI connection compatibility. It supplies the boot angles and wire lengths required for tight under-header routing on small block HEI setups, providing a direct-replacement option that preserves intended connector placement.
Moroso Chevrolet Small Block Ignition Wire Set - Ultra 40 - Unsleeved - HEI - Under Header - Blue
