Holley Gaskets & Seals

Carburetor Gaskets, Base Plate, Mounting, 4-Barrel, Square Bore, 4-Hole, 0.260 in. Thick, Composite, Model 4150, 4160, Hardware Included, Kit

Part Number: HLY-108-51

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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: Today

Gaskets, Throttle Body, Base Gasket, OE Manifold, 2-Barrel, 3-Bolt Flange, 2.00 in. Bores, Each

Part Number: HLY-508-11

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Carburetor Gaskets, Base Plate, Mounting, 4-Barrel, Dominator, 4-Hole, 0.060 in. Thick, Fiber Material, Each

Part Number: HLY-108-99

Not Yet Reviewed

Estimated Ship Date: Today

Carburetor Gaskets, Base Plate, 1.375 in. Primary, 2 in. Secondary, 0.25 in. Thickness, For Models 4165/4175, Each

Part Number: HLY-108-118

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Intake Manifold Gaskets, Replacement, O-ring Gaskets, Cooling Manifold, Mid-Mount Accessory Drive System, Chevy, 4.3-6.6L, Pair

Part Number: HLY-97-304

Not Yet Reviewed

Estimated Ship Date: Today

Throttle Body Gaskets, Replacement, Service Part, Paper Material, Open, for 2000 cfm Throttle Body, Each

Part Number: HLY-9910-102

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Intake Manifold Gaskets, Replacement, O-ring Gaskets, Cooling Manifold, for Mid-Mount Accessory Drive System, 20-242, 20-242BK, Chevy, 6.5-7.4L, Pair

Part Number: HLY-97-322

Not Yet Reviewed

Estimated Ship Date: Today

Timing Cover Gaskets, Replacement, O-Rings, Rubber, Black, for Holley Covers 20-300, 20-320, 20-340, Ford, 7.3L, Godzilla, Kit

Part Number: HLY-97-405

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Drop Ship
• Special Order

Throttle Body Gaskets, Replacement, Service Part, Paper Material, Open, for 1000 cfm Throttle Body, Each

Part Number: HLY-9910-101

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

• Drop Ship
• Special Order

Gaskets, Throttle Body, Base Plate and Gasket, 4-barrel, 4150 Flange, for Holley Commander, Model 112-577, Each

Part Number: HLY-508-17

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Drop Ship
• Special Order

Gaskets, Throttle Body, Base Plate and Gasket, 4-barrel, 4150 Flange, for Holley Commander, Model 112-578, Each

Part Number: HLY-508-18

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Drop Ship
• Special Order