Why get wired up at Wiring Specialties?

Our Specialty is in wiring JDM SR20DET, RB20DET, RB25DET, RB26DETT, CA18DET engines into US 240sx and our goal is to provide you with best and quickest wiring service for your engine conversion. Over the last 6 years we have been able to help over 2000 individuals and companies with their JDM Nissan engine conversions. Our experience is extensive and our customer support is the best in the industry.

If you are planning a JDM swap into a 240sx, count on us for the best wiring service available for your engine conversion.

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

- Wiring Specialties is proud to announce the launch of Brand New, WS Designed, PRE-MADE engine and transmission harnesses, specifically designed for the 240sx with a JDM engine installed. The first batch of Newly Deisigned Harnesses will be for the S13 SR20DET installed in a S14 240sx. NO MORE WAITING OR SENDING CORE HARNESSES IN. Buy it, get it, install it. Call for availability 508-274-0464.

- Quick turnaround is back. We can now complete your conversion in 3-4 days of receipt. Call or email with questions.

- 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 to get free shipping.