At Wiring Specialties we specialize in wiring JDM SR20DET, RB20DET, RB25DET, RB26DETT, CA18DET engines into US 240sx and our goal is to provide our customers with the best and quickest wiring solution for any engine conversion. Over the last 8 years we have helped over 2000 enthusiasts and shops wire up their JDM Nissan engine swaps. Our expertise is extensive and our customer support is the best in the industry.

Why Shop at Wiring Specialties?

- Most experience in the industry
- Tech Support nights and weekends
- Excellent Pricing

--- FREE WS HARNESS SET RAFFLE - UPDATE! --
Submissions are set and we have narrowed down the field to 32 finalists. Follow the link below and vote for your favorite ride and help the owner win the free harness set.
Raffle Details HERE!

- NEWS! PRE-MADE S13 to S13 Harnesses are now in, shipping all the pre-orders the week of July 20 th.
The units are Brand New, perfect fit replacement harnesses for your engine swap. Both engine and transmission harnesses available for your JDM SR or RB swap. Order yours today at 508-274-0464 or On-line.

- FREE GROUND SHIPPING FOR MILITARY, POLICE, RESCUE PERSONNEL. A small Thank You, from us at Wiring Specialties. Simply put a copy of your ID in the box or email us a scan of the ID to take advantage of this offer.