Mr. Gasket 4BBL 4 Hole Carburetor gasket -MRG55C Mr. Gasket carburetor base gasket part no. 55 fits Holley carbs with 4-barrel, 4 hole and square bore.   Fits Holley, Carter AFB and AVS, Demon...

CARBURETOR BASE GASKET - 4-BARREL - SQUARE FLANGE - OPEN CENTER Mr. Gasket 54 Mr. Gasket 4-barrel carburetor gasket with open center fits Holley, Carter AFB and AVS, Demon Race, Speed and Edelbrock...

MRG49 by MR. GASKET Carburetor Base Plate Gasket, 2-Barrel, Open, Composite, Holley 2-Barrel,  HOLLEY CARBURETORS - 2 bbl. - Open Center - 350/500 CFM Performance Skin Packaged. Made from durable...

Moroso Holley High Flow Squirter Screws Radiused allen head design is streamlined for less turbulence and increased airflow Enlarged and repositioned slot provides a clear path to the shooter nozzle,...

Moroso Oval Track Float Kit for Holley Carbs -MOR65432 Wedge shape compensates for the action of centrifugal force on the fuel and ensures proper needle and seat operation under the most severe...

Moroso Hex Head Fuel Bowl Screws for Holley Carburetors -MOR65414 Designed for Holley 4150-4165 and 4500 model carburetors Hex head (rather than screwdriver head) allows for easier removal of the...

Moroso 65226 Clear-View Sight Plugs for Holley Carbs Clear Sight Plugs are like having a "window" to your float bowl Allows you to check float bowl level without removing the plug and spilling fuel...

Moroso Nylon Float Bowl Washer Kit -MOR65225 The ultimate cure for the problem of soft, wet, deteriorating fiber, Holley float bowl washers Our nearly indestructible nylon replacement washers are...

Moroso Fuel Inlet Fittings for Holley Carbs -MOR65144These Fuel Inlet Fittings adapt -8 AN fuel lines to all Holley single and dual-feed carburetors with 7/8"-20 UNF inlets Extended wrench flat...

Moroso 64929 Stainless Steel Throttle Return Springs Package of two stainless steel springs can be used as spares or replacements for Moroso Throttle Return Spring Kit No. 64925 and 64926Moroso...

Moroso 64927 Throttle Return Spring Kit Carburetor Mounted 2300/4100 Series The answer to your throttle return spring linkage problems if you're running a 2300/2305 series two-barrel or 4150/4160...

Moroso Throttle Return Spring Kit Manifold Mounted Chevy V6/V8 Provides positive throttle return required by several sanctioning bodies Each kit fits Holley 2 or 4 bbl single carb applications ...