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Holley Hemi V8 Ignition Coil Adapter Harnesses

4.0 out of 5 stars 1 Customer Reviews

Holley Hemi V8 ignition coil adapter harnesses let you take charge of your engine by controlling both fuel and spark. They are built to fit and function with the factory harness. The harnesses feature TXL-grade copper wiring with minimal weight, plus high-temperature sleeves in a small diameter. Factory-style terminations provide a strong, secure connection.

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Holley Hemi V8 Ignition Coil Adapter Harnesses 558-311

Holley Hemi V8 Ignition Coil Adapter Harnesses 558-311

Holley Hemi V8 Ignition Coil Adapter Harnesses 558-311

Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Late Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each

Part Number: HLY-558-311

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Holley Hemi V8 Ignition Coil Adapter Harnesses 558-310

Holley Hemi V8 Ignition Coil Adapter Harnesses 558-310

Holley Hemi V8 Ignition Coil Adapter Harnesses 558-310

Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Early Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each

Part Number: HLY-558-310

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

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