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R33 RB25DET Wiring Harness Conversions

S14 RB25 Pre-Made Harness coming soon!



If you are installing a R33 or R34 RB25DET (NEO) engine from a 1994-2002 Skyline GTS-T into a 240sx of any year, this section will have the needed details for the plug and play wiring conversion wiring specialties provides. Please select the year of the car you are installing the RB engine into.

Ordering Harness Service:
In order to get the quickest turn-around service we recommend placing the order for the wiring conversion on-line. Once the order is placed, you will receive an order number and your job will be slotted into the 'pipeline' and completed once your harnesses arrive.

WS Pre-Made RB25DET S1/S2 Into S13 240sx Engine/Trans Harness Combo
WS Pre-Made RB25DET S1/S2 Into S13 240sx Engine/Trans Harness Combo
RB25 S1/S2 to s13 Pre-made Engine and Transmission Harness Combo
Regular price: $549.00
IN STOCK NOW $499.00
WS Pre-Made RB25DET S1/S2 Into S14 240sx Engine/Trans Harness Combo
WS Pre-Made RB25DET S1/S2 Into S14 240sx Engine/Trans Harness Combo
RB25 S1/S2 to s14 Pre-made Engine and Transmission Harness Combo
Regular price: $599.00
ORDER PRICE NOW $499.00
WS Pre-Made RB25DET S1/S2 Into S14 240sx Engine Harness
WS Pre-Made RB25DET S1/S2 Into S14 240sx Engine Harness
RB25DET TO S14 240SX Pre-Made Engine Harness
Regular price: $449.00
ORDER NOW: $399.00
WS - RB25DET Injector Harness - Brand New
WS - RB25DET Injector Harness - Brand New
OEM Quality RB25DET Injector Sub-Harness; Plug and Play
Regular price: $49.00
Sale price: $35.00
WS - RB25DET S1 Coilpack Harness - Brand New
WS - RB25DET S1 Coilpack Harness - Brand New
OEM Quality S1 RB25DET Coilpack Sub-Harness; Plug and Play
Regular price: $49.00
Sale price: $39.00
R33 RB25DET Into S13 240sx (89-94) <font color="red"><u>Wiring Service</u></font>
R33 RB25DET Into S13 240sx (89-94) Wiring Service
Plug and Play Wiring Conversion
Regular price: $389.00
Sale price: $349.00
R33 RB25DET Into S14 240sx (95-98) <font color="red"><u>Wiring Service</u></font>
R33 RB25DET Into S14 240sx (95-98) Wiring Service
Plug and Play Wiring Conversion
Regular price: $389.00
Sale price: $349.00
R34 NEO RB25DET Into S13 240sx (89-94) <font color="red"><u>Wiring Service</u></font>
R34 NEO RB25DET Into S13 240sx (89-94) Wiring Service
Plug and Play Wiring Conversion
Regular price: $435.00
Sale price: $399.00
R34 NEO RB25DET Into S14 240sx (95-98) <font color="red"><u>Wiring Service</u></font>
R34 NEO RB25DET Into S14 240sx (95-98) Wiring Service
Plug and Play Wiring Conversion
Regular price: $439.00
Sale price: $399.00
Wiring Specialties