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Replacement Parts for HLY-300-679

Holley LS Modular Lo-Ram EFI Intake Manifolds 300-679

3 out of 5 stars ( 2 )

Part Number: HLY-300-679

Estimated Ship Date: Nov 12, 2026

$499.95

$999.99

(Save $500.04)

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Gaskets, Plenum O-Ring Cord, 4.5 ft. Long, 3/32 in. Diameter, Hi-Ram, Chevy, LS, Each

Part Number: HLY-508-21

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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