Wiring Harnesses

Wiring Harness, Retro Series, 12-Circuit, GM Power, Kit

Part Number: RFW-WR85

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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ECU, Fast XFI, Main Harness, Chevy 1997-2004, 5.7L, Kit

Part Number: FST-301101

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Wiring Harness, Mopar Powered Retro Series, 12-circuit, Front Fuse Block, Kit

Part Number: RFW-WR95

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Wiring Harness, Fast XFI, Main Harness, Universal, Kit

Part Number: FST-301105

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Wiring Harness, Retro Series, 12-Circuit, Ford Power, Kit

Part Number: RFW-WR75

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Wiring Harness, Fast XFI, Main Harness, Chevy, 5.0, 5.7L, Kit

Part Number: FST-301100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Wiring Harness, Underdash, Front Fuse Block, ATC, Ford, Kit

Part Number: SDK-C6ZZ14401PFB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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