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Replacement Parts for HLY-300-561

Holley EFI Intake Manifolds 300-561

5 out of 5 stars ( 1 )

Part Number: HLY-300-561

Estimated Ship Date: Oct 28, 2026

$699.95

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O-Rings, Replacement, Rubber, for Delphi, Holley Top-Fed Injectors, E85 Compatible, 16-pieces, Set

Part Number: HLY-534-104

5.0 out of 5 stars ( 3 )

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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