Replacement Parts for HLY-300-650

Holley EFI Gen III Hemi Hi-Ram Intake Manifolds 300-650

Holley EFI Gen III Hemi Hi-Ram Intake Manifolds 300-650

HLY-300-650

3 out of 5 stars ( 1 )

Part Number: HLY-300-650

Estimated Ship Date: Oct 22, 2026

$674.95

$1,349.99

(Save $675.04)

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Holley Plenum O-Ring Cords 508-21

Holley Plenum O-Ring Cords 508-21

Holley Plenum O-Ring Cords 508-21

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: Tomorrow

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Holley Throttle Body Gaskets 508-20

Holley Throttle Body Gaskets 508-20

Holley Throttle Body Gaskets 508-20

Gaskets, Throttle Body, Replacement, 92mm, 102mm, Paper Gasket, Chevy, 5.7L, 6.0L, Each

Part Number: HLY-508-20

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Holley EFI Hi-Ram Intake Manifold Tops 300-245

Holley EFI Hi-Ram Intake Manifold Tops 300-245

Holley EFI Hi-Ram Intake Manifold Tops 300-245

Intake Manifolds, EFI, Hi-Ram, Multi-port, Top Only, 95mm Bore, Cast Aluminum, Satin Finish, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L,Each

Part Number: HLY-300-245

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Intake Manifold Hardware Kits 300-655

Holley Intake Manifold Hardware Kits 300-655

Holley Intake Manifold Hardware Kits 300-655

Intake Manifold Bolt Set, Replacement Hardware Kit, Hemi Hi-Ram, Chrysler, Dodge, Ram, Kit

Part Number: HLY-300-655

Not Yet Reviewed

Estimated Ship Date: Nov 2, 2026 if ordered today

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Estimated Ship Date: Nov 2, 2026 if ordered today

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