Holley Parts and Accessories

Air Bleeds, Replaceable, Screw-in, Brass, 0.030 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-30-10

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Pump Block-Off Plates, Steel, Chrome Plated, with Gaskets, Chevy, Small Block, V8 Engines, Each

Part Number: HLY-12-814

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Jet Extensions, Carburetor Main Jet, Push-On, Brass, for Notched Float HP Fuel Bowl, Pair

Part Number: HLY-122-5002

Not Yet Reviewed

Estimated Ship Date: Today

Brackets, Sniper EFI, Throttle Cable Mount, Intake Manifold, Aluminum, Black, for Sniper EFI, Fabricated, with Hardware, Chevy, LS, 6.2L, Kit

Part Number: SNE-870019

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Metering Plates, Secondaries, Replacement, Aluminum, Silver, 0.073 in. Main Hole, 0.029 in. Idle Hole, Each

Part Number: HLY-134-39

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Throttle Plates, Carburetor, 4-Barrel, 1-3/4 in. Diameter, Steel, No Hole, Screw Included, Kit

Part Number: HLY-26-97

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

Carburetor Floats, Nitrophyl, Center Hung Bowls, Wedged Style, Holley, Each

Part Number: HLY-116-14

Not Yet Reviewed

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.051 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-51-10

Not Yet Reviewed

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.071 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-71-10

Not Yet Reviewed

Estimated Ship Date: Today

Rebuild Kits, Electric Fuel Pump, Check Valve Service, Inlet Screen, Spring, Lower Gasket, Check Valve, for Fuel Pump 12-150, Kit

Part Number: HLY-12-820

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

Throttle Brackets, Dashpot, Solenoid, Steel, Zinc, Gold Finish, for Model 4010, 4011, 4150, 4160, Kit

Part Number: HLY-20-72

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, Metri-Pack, 20-22 gauge wire, 100-piece, Set

Part Number: HLY-571-104

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Pump Rebuilds, Mechanical, Repair, Gaskets, Rubber Pulsator, Hose Barb, Bronze Breather Vent, for Ultra HP Pumps, Kit

Part Number: HLY-12-757

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Intake Manifold Studs, Lo-Ram, Steel, Natural, Standard 6-point Nuts, Chevy, Small Block LS, Kit

Part Number: HLY-300-612

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

Air Filter Elements, Oval, Red, Cotton Gauze, 2.5 in. Height, 17 in. Length, 9 in. Width, Each

Part Number: HLY-120-409

Not Yet Reviewed

Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Cam/Crank Position Sensor Connector, Sealed, 2-pin, Female, Black Plastic, Seals, TPA, Each

Part Number: HLY-570-241

Not Yet Reviewed

Estimated Ship Date: Today

Carburetor Power Valves, Replacement, Single Stage, High Flow, 2.5 in. Hg, Gaskets, Each

Part Number: HLY-125-125

Not Yet Reviewed

Estimated Ship Date: Today

Air Bleeds, Replaceable, Screw-in, Brass, 0.024 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-24-10

Not Yet Reviewed

Estimated Ship Date: Today

Carburetor Jets, Standard Main, Alcohol, Number 188, Jet Size 0.1880 in., Brass, 5/16 in.-32 Thread, Pair

Part Number: HLY-122-188

Not Yet Reviewed

Estimated Ship Date: Today

Tachometer Adapters, Holley EFI, Tachometer Input Conditioners, Stabilizer for 7 in. Digital Dash, Each

Part Number: HLY-554-131

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Fuel Pickup Components, Hydramat Install, Disc Magnets, Kit

Part Number: HLY-16-205

Not Yet Reviewed

Estimated Ship Date: Today

Breathers, Valve Cover, Push-in, 1.250 in. OD Tube, Round, Steel, Chrome Plated, Universal, Each

Part Number: HLY-241-213

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Vacuum Secondary Diaphragms, Rubber, Holley Carburetors, Each

Part Number: HLY-135-2

4.25 out of 5 stars ( 4 )

Air Bleeds, Replaceable, Screw-in, Brass, 0.076 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-76-10

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Fuel Pump Components, Mounting Flange Shim, Stainless Steel, 4.80 in. Diameter, for Poly Fuel Tanks, Each

Part Number: HLY-12-877

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today