We hand build every harness to fit exactly what your project needs and they actually form fit on the engine to make your wiring look and perform perfectly.
Stand alone harness 6 0.
Efi so easy even a carb man can do it.
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Looking for an affordable in stock plug and play wiring harness for your ls swap.
These harnesses include the gen ii lt1 lt4 gen iii 24x ls1 ls6 and vortec truck engines as well as gen iv 58x ls2 ls3 ls7 vortec and gen v lt.
Ecm and transmission programming available.
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2007 2009 chevrolet silverado 2500hd 3500hd ly6 vortec.
Ls1 4 8 5 3 5 7 6 0 3 wire standalone conversion ls swap.
Gm 6 2l ls3 l99 6 2l standalone wiring harness gm 6 0l ly6 l96 swap wiring harness for classic chevrolet.
Plug and play direct fit harnesses.
Gm 6 0 liter ly6 l96 engines using drive by wire electronic throttle.
Gen v stand alone harnesses kits and ecm tcm.
Custom standalone harness we will convert your 15 bulky stock wiring harness to a like new standalone 3 wire harness.
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Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions.
Primarily designed for racing applications to cut out all the unnecessary components to reduce weight clean up the engine bay and cab.
L92 6 2l ly6 6 0l 6l80e 6l90e engine andtransmission complete stand alone wiring harness kit.
Gen iv 58x stand alone harnesses kits and ecm tcm.
Swap specialties 24x standalone wiring harness for gm gen3 4 8 5 3 5 7 and 6 0l engines have proven to be the best harness on the market today.
The wire harness color scheme and pi.
Call 1 602 920 8926.