Whether you're looking for a complete standalone engine and transmission harness for your LS or a pigtail for your distributor, TSP's got you covered.
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  1. Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 with T56/TR6060 Manual Transmission
    Sale
  2. Standalone Wiring Harness for Drive-by-Cable LS1 with 4L80E Transmission
    Out of Stock
    Standalone Wiring Harness for Drive-by-Cable LS1 with 4L80E Transmission
    SKU:WH1201-1
    Special Price $391.11 Regular Price $444.44
  3. Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 with 4L60E Automatic Transmission
  4. HEI Distributor One-Piece Power & Tachometer Pigtail
    Sale
    HEI Distributor One-Piece Power & Tachometer Pigtail
    SKU:JM6933
    Special Price $7.23 Regular Price $8.22
  5. Standalone Wiring Harness for Drive-by-Wire LS Trucks with T56 Transmission
    Sale
    Standalone Wiring Harness for Drive-by-Wire LS Trucks with T56 Transmission
    SKU:WH1217
    Special Price $391.11 Regular Price $444.44
  6. Standalone Wiring Harness for Drive-by-Wire LS1 with 4L60E Transmission
    Sale
    Standalone Wiring Harness for Drive-by-Wire LS1 with 4L60E Transmission
    SKU:WH1211
    Special Price $391.11 Regular Price $444.44
  7. Standalone Wiring Harness for Drive-by-Wire LY6/L92 with 4L80E Automatic Transmission
  8. GM CS130 to 10SI Alternator Wire Harness Adapter
    Sale
    GM CS130 to 10SI Alternator Wire Harness Adapter
    SKU:ES1005W
    Special Price $17.39 Regular Price $19.76
  9. Standalone Wiring Harness for Drive-by-Wire LS1 with T56 Manual Transmission
    Sale
    Standalone Wiring Harness for Drive-by-Wire LS1 with T56 Manual Transmission
    SKU:WH1210
    Special Price $391.11 Regular Price $444.44
  10. Standalone Wiring Harness for Drive-by-Cable LS1 with T56 Manual Transmission
    Out of Stock
    Standalone Wiring Harness for Drive-by-Cable LS1 with T56 Manual Transmission
    SKU:WH1200
    Special Price $391.11 Regular Price $444.44
  11. Standalone Wiring Harness for Drive-by-Cable LS1 with 4L60E Transmission
    Out of Stock
    Standalone Wiring Harness for Drive-by-Cable LS1 with 4L60E Transmission
    SKU:WH1201
    Special Price $391.11 Regular Price $444.44
  12. Universal 20-Circuit Wiring Harness
    Sale
    Universal 20-Circuit Wiring Harness
    SKU:WH1220
    Special Price $228.15 Regular Price $259.26
  13. HEI Distributor 2-Piece Power & Tachometer Cables
    Sale
    HEI Distributor 2-Piece Power & Tachometer Cables
    SKU:JM6500CB
    Special Price $3.64 Regular Price $4.14