Welcome to Wiring Specialties

At Wiring Specialties we specialize in wiring SR20DET, RB20DET/RB25DET, RB26DETT & CA18DET engines into US and JDM 240sx/Silvia's and our goal is to provide our customers with the best and quickest wiring solution for any engine conversion. Over the last 10 years we have helped well 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.

We also now specialize in Datsun engine swaps. Harnesses can be made for SR20DET, RB20DET, RB25DET, RB26DETT and CA18DET swaps.

We are also moving into Nissan 300ZX applications with RB series swap harnesses and VG replacement and swap harnesses.

Why Shop With Us?

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

All Pre-Made WS harnesses 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.

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Company News

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.

RB25 to S14 Chassis Pre-Made Harness: Taking Pre-Orders Now!
Finally the RB25 to s14 harnesses are on route and ready for order. Get yours now by ORDERING HERE.

CA18DET Harnesses: Pre-Order Now!!
Our long awaited CA18 pre-made our on route and should arrive in December. Pre-Order yours now and save! You also get FREE shipping with your pre-order! Quantities are limited so act fast! CLICK HERE to place an order.

VIEW ALL PRE-MADE HARNESSES HERE

- WS S13 SR20DET to S13 COMBO harness - IN STOCK
- WS S13 SR20DET to S13 ENGINE harness - IN STOCK
- WS S13 SR20DET to S14 COMBO harness - IN STOCK
- WS S13 SR20DET to S14 ENGINE harness - IN STOCK

- WS S14 SR20DET to S14 COMBO harness - IN STOCK
- WS S14 SR20DET to S14 ENGINE harnesses - IN STOCK
- WS S14 SR20DET to S14 LOWER harnesses - IN STOCK
- WS S14 SR20DET to S13 COMBO harness - IN STOCK
- WS S14 SR20DET to S13 ENGINE harnesses - IN STOCK
- WS S14 SR20DET to S14 LOWER harnesses - IN STOCK

- WS S13 SR20DET to S13 ENGINE harness - IN STOCK
- WS S15 SR20DET to S14 ENGINE harness - IN STOCK

- WS CA18DET to S13 COMBO harness - PRE-ORDER
- WS CA18DET to S13 ENGINE harness - PRE-ORDER

- WS RB25 to S13 COMBO harness - IN STOCK
- WS RB25 to S14 COMBO harness - PRE-ORDER
- WS RB25 to S14 ENGINE harness - PRE-ORDER

- WS RB20 to S13 COMBO harness - IN STOCK

- WS S13 SR20DET to DATSUN ENGINE harness - IN STOCK
- WS S14 SR20DET to DATSUN ENGINE harness - IN STOCK
- WS RB25DET to DATSUN ENGINE harness - IN STOCK

Featured Products

WS Pre-Made RB25DET S1/S2 Into S13 240sx Engine/Trans Harness Combo Regular price: $549.00 IN STOCK NOW $499.00	WS Pre-Made S14 SR20DET Into S13 240sx Engine/Trans Harness Combo - SAVE Regular price: $475.00 IN STOCK NOW $375.00	WS Pre-Made S14 SR20DET Into S13 240sx Engine Harness Regular price: $399.00 IN STOCK NOW SPECIAL $299.00	WS - RB25DET Injector Harness - Brand New Regular price: $49.00 Sale price: $35.00
WS Pre-Made RB25DET S1/S2 Into S14 240sx Engine/Trans Harness Combo Regular price: $599.00 ORDER PRICE NOW $499.00	WS - RB25DET S1 Coilpack Harness - Brand New Regular price: $49.00 Sale price: $39.00	WS Pre-Made S14 SR20DET Into S14 240sx Engine Harness Regular price: $399.00 IN STOCK NOW $369.00	WS Pre-Made S13 SR20DET Into S14 240sx Engine Harness Regular price: $345.00 IN STOCK NOW $335.00

Wiring Specialties

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Featured Products

Welcome to Wiring Specialties