Availability
Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24,...
Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24, and the ability to replace parts on vehicles from as far back as 1946, we have what you need to complete your next auto project. Featuring top brands, including Painless Wiring, Ron Francis Wiring, FAST, and Summit Racing, we can help you get the job done—no matter what the make and model. Harness the power today!
Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24, and the ability to replace parts on vehicles from as far back as 1946, we have what you need to complete your next auto project. Featuring top brands, including Painless Wiring, Ron Francis Wiring, FAST, and Summit Racing, we can help you get the job done—no matter what the make and model. Harness the power today!
Showing In Stock Items. Show All 33 Items.
FTSPARK EXTREME BLANK HARNESS
Part Number: FCH-2001007538
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Wiring Harnesses, WB-O2 Nano Unterminated Harnesses, Wideband Display Wiring Harness Classification, 6.5 ft. Length, Each
Part Number: FCH-2001003625
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
WB-O2 NANO UNTERMINATED HARNESS 15FT
Part Number: FCH-2001003839
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
SPARKPRO-5 HARNESS 6FT
Part Number: FCH-2001000052
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
FT400 AUXILIARY HARNESS 10FT
Part Number: FCH-2001001031
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
FT400 AUXILIARY HARNESS DYNO EXTENSION 13FT
Part Number: FCH-2001002171
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
FT250/300/350/400 MAIN HARNESS 10FT
Part Number: FCH-2001001029
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Wiring Harnesses, FT450/550 A Unterminated Harnesses, Engine Wiring Harness Classification, 10 ft. Length, Each
Part Number: FCH-2001005569
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
FT600 UNTERMINATED HARNESS 20FT
Part Number: FCH-2001004003
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
SPARKPRO 8 HARNESS
Part Number: FCH-2001003164
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
BOOSTCONTROLLER2 HARNESS
Part Number: FCH-2001002052
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
WB-O2 DATALOGGER HARNESS 8FT
Part Number: FCH-2001000056
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
FT250/300/350/400 MAIN HARNESS 20FT
Part Number: FCH-2001001266
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Wiring Harnesses, FT550 B Unterminated Harnesses, B Harness Only, Engine Wiring Harness Classification, 10 ft. Length, Each
Part Number: FCH-2001005571
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
PEAK & HOLD HARNESS
Part Number: FCH-2001000044
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
FT550 B UNTERMINATED HARNESS 20FT
Part Number: FCH-2001005572
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
WB-O2 NANO BLANK HARNESS 3FT
Part Number: FCH-2001006086
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
FT600 UNTERMINATED HARNESS 10FT
Part Number: FCH-2001004001
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
USB 2.0 CABLE
Part Number: FCH-2001000061
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
FT500 HARNESS 20FT
Part Number: FCH-2001002773
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
GEARCONTROLLER HARNESS
Part Number: FCH-2001003991
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
FT400 AUXILIARY HARNESS 20FT
Part Number: FCH-2001001267
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
SPARKPRO-3 HARNESS 6FT
Part Number: FCH-2001000050
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
FT500 HARNESS 10FT
Part Number: FCH-2001002772
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
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