When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Moroso Ultra 40 Spark Plug Wires SBC Small Block Chevy 350 383 400 OVC HEI
Part #73664
Moroso Ultra 40 Unsleeved Plug Wire Set FORSmall Block Chevy, Over Valve Covers, 8.65mm
Blue, 90° Boots, HEI Distributor Style
Ultra 40 un-sleeved wires are a cost effective version of the Ultra 40 Race Wire without heat sleeving. Wires feature a Kevlar core, four times stronger than other aramid fiber cores, that increases the tensile strength of the wire while reducing its center diameter. This allows for the surrounding insulation to be thicker, resulting in greater dielectric strength. With only 40-ohms of resistance per foot these wires will increase power and fuel efficiency by bring more spark to the plug. RFI/EMI resistant to eliminate stereo response or ignition interference.
- Cost-effective version of our race proven Ultra 40 Race Wire, without heat sleeving
- 8.65mm diameter wire with 40 ohms of resistance per foot
- Complete, ready-to-install sets available for specific engines
- Wire for each cylinder is labeled
