Speartech Wiring Harness Ls

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.

Speartech wiring harness ls. Speartech is your ls lt wiring harness swap specialist. We offer ls and lt swap conversion harnesses for all ls lt engines including ls1 ls2 ls3 ls6 ls7 lsa ls9 lq4 lq6 l99 gen 5 v8 lt1 lt4 vortec l83 l86 variants. We offer ls and lt swap conversion harnesses for all ls lt engines including ls1 ls2 ls3 ls6 ls7 lsa ls9 lq4 lq6 l99 gen 5 v8 lt1 lt4 vortec l83 l86 variants. 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.

We offer ls and lt swap conversion harnesses for all ls lt engines including ls1 ls2 ls3 ls6 ls7 lsa ls9 lq4 lq6 l99 gen 5 v8 lt1 lt4 vortec l83 l86 variants. We have standalone swap harnesses and complete control systems for new gen 5 lt engines transmissions with lt5 harness development underway now. Speartech also provides ls and lt ecm programming including e38 e67 e40 e92 ls engine wiring harness reworks and conversion adapters and programming harnesses. Speartech offers multiple different new harnesses for ls engine swaps as well as offering a rework service to convert production harnesses into something a muscle car enthusiast can use in their vehicle.

Speartech is your ls lt wiring harness swap specialist. Home of the original ls swap harness developed here over 20 years ago. 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 ecotec3 engines. We have standalone swap harnesses and complete control systems for all 99 ls engines transmissions.

John can even build custom harnesses for special circumstances such as remote mounted ecm s or special fuse block requirements. Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions. Speartech also provides ls and lt ecm programming including e38 e67 e40 e92 ls engine wiring harness reworks and conversion adapters and programming harnesses. All psi harnesses are made in the usa.