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Replacement Parts for HLY-300-255BK

Holley EFI LS Single Plane Split-Design Race Intake Manifolds 300-255BK

1 out of 5 stars ( 1 )

Part Number: HLY-300-255BK

Estimated Ship Date: Oct 29, 2026

$674.95

$849.95

(Save $175.00)

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Gaskets, Replacement, Port Flange, O-ring, Size 2-234, Intake Model 300-255, 300-256, 300-290, 300-291, 8-piece, Set

Part Number: HLY-508-28

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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