EFI Wires and Harnesses
Wanting to go full-custom on your next fuel injection conversion? Here at Modern Day we offer wiring, harnesses, and much more to allow you to make the EFI set-up you've been waiting for!
Trusted Brands
Large selection of top performance brands known for quality and reliability
Call (330) 334-3800 option 3
For expert fitment support and installation
Price-match guarantee
Find a lower price? We’ll match it to ensure you get the best deal