CHEVROLET Chevy small block Gen III/IV (LS-based engines) Fuel Injection

Wiring Harnesses, Holley EFI, Replacement, LS Style, 58X/4X Main Harness, Speed Density, for HP, Dominator, EFI Systems Only, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Wiring Harnesses, Holley EFI, Replacement, LS1/6, 24X/1X Main Harness, Mass Airflow Metered, for HP, Dominator, EFI Systems Only, Chevy, 5.7L, Each

Part Number: HLY-558-102

5.0 out of 5 stars ( 4 )

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Throttle Bodies, LS Style, Multi-Port Injection, Cable Actuated, 1 Venturi, 95mm, Billet Aluminum, Black Anodized, Chevy, 4.8-7.0L, LS Based, Each

Part Number: HLY-112-585

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Wiring Harnesses, Holley EFI, Main Harness, 58X LS TBI, for Terminator, Terminator Stealth, Throttle Body Systems, Chevy, Each

Part Number: HLY-558-112

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Wiring Harnesses, Holley EFI, Main Harness, 24X LS TBI, for Terminator, Terminator Stealth, Throttle Body Systems, Chevy, Each

Part Number: HLY-558-111

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Throttle Body, Atomic, MPI, 90mm, Cast Aluminum, Natural, Chevy, Small Block LS, Each

Part Number: MSD-2940

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Estimated Ship Date: Dec 3, 2025 if ordered today

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