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Holley 4150 Base Gaskets (10)

Carburetor Base Plate Gasket - 4 Barrel - Open - Composite - Square Bore - Set Of 10
ADVANCED ENGINE DESIGN  |  Part# AED-5850   More Details...

$25.73



Holley 4500 Base Gaskets (10)

Carburetor Base Plate Gasket - 4 Barrel - Open - Composite - Dominator Flange - Set Of 10
ADVANCED ENGINE DESIGN  |  Part# AED-5860   More Details...

$31.46



Reusable Jet Change Gasket Kit - 4150

Carburetor Bowl And Metering Block Gasket - Reusable - Composite - Holley 4150 Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-5892   More Details...

$14.26



Trick Jet Extensions W/ Machined Float

Jet Extensions - PUSH-ON - Notched Float - Brass - Secondary - DEMON/HOLLEY 4150/4160/4500 Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-5896   More Details...

$37.20



Holley Jet Assortment (64-81)

Carburetor Jet Kit - Numbers 64-81 - Plastic Case - Brass - Holley Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-6000   More Details...

$71.60



Billet Aluminum Jet Plate

Jet Holder - Aluminum - Blue Anodize - Each
ADVANCED ENGINE DESIGN  |  Part# AED-6030   More Details...

$31.46



Stock Throttle Plate Screws (10pk)

Throttle Plate Screws - Philips Head - Brass - Natural - Holley Carburetors - Set Of 10
ADVANCED ENGINE DESIGN  |  Part# AED-6059X   More Details...

$7.58



HI-FLOW Throttle Plate Screws (8)

Throttle Plate Screws - Philips Head - Stainless - Polished - Holley Carburetors - Set Of 8
ADVANCED ENGINE DESIGN  |  Part# AED-6060   More Details...

$11.45



Straight Let Booster .136in (4pk)

Carburetor Venturi Booster - Straight Leg - 0.136 In Orifice - Aluminum - Natural - Holley 4150 Carburetor - Set Of...
ADVANCED ENGINE DESIGN  |  Part# AED-6071   More Details...

$20.77



Drop Leg Booster - .140in Orifice (4)

Carburetor Venturi Booster - Drop Leg - 0.140 In Orifice - Aluminum - Natural - Holley 4150 Carburetors - Set Of 4
ADVANCED ENGINE DESIGN  |  Part# AED-60721   More Details...

$20.77