Holley Fittings & Plugs

Fitting, Carburetor Inlet, 7/8-20 in. Male to 5/8-18 in. Female Inverted Flare, 3/8 in. line, Each

Part Number: HLY-26-26

4.86 out of 5 stars ( 21 )

Estimated Ship Date: Today

Bungs, Nuts, and Fittings, Weld-In, Oxygen Sensor Bung, Steel, 18mm x 1.5, Female Thread, Each

Part Number: HLY-534-49

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

Fitting, Fuel Bowl, Male 9/16-24 in. to Female 5/8-18 in.., Holley/Demon, Brass, Each

Part Number: HLY-26-43

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Plug Fittings, Fuel Bowl, 3/8 in.-32, Male Thread, Slotted, Brass, Natural, Pair

Part Number: HLY-26-85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Fitting and Adapters, Holley, Replacement, Plugs and Fittings, NPT to BSPT, Straight, Aluminum, Chrome, for 20-240 and 20-240BK Manifolds, Kit

Part Number: HLY-97-301

Not Yet Reviewed

Estimated Ship Date: Today

Fittings and Adapters, Holley EFI, Replacement, Service Part, Adapter, Pro-Jection, -6 AN to 3/8 in. Hose Barb, Brass, Each

Part Number: HLY-9906-143

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order