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.120 Trick HI-FLOW Needle & Seat - Each

Needle And Seat - High Flow - Adjustable - 0.120 Orifice - Viton - HOLLEY/QUICK Fuel Carburetors - Each
ADVANCED ENGINE DESIGN  |  Part# AED-5116   More Details...

$10.65



50cc Pump Diaphragms (10pk)

Accelerator Pump Diaphragm - 50 CC - Rubber - Gas - Holley Carburetors - Set Of 10
ADVANCED ENGINE DESIGN  |  Part# AED-5337X   More Details...

$68.73



.140 Bottom Feed HI-FLOW Needle & Seat -

Needle And Seat - High Flow Bottom Feed - Adjustable - 0.140 Orifice - Viton - HOLLEY/QUICK Fuel Carburetors - Each
ADVANCED ENGINE DESIGN  |  Part# AED-5116B   More Details...

$11.99



Needle & Seat Hardware Kit

Needle And Seat Hardware - GASKETS/NUTS/SCREWS - Externally Adjustable Float - Holley Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-5120   More Details...

$6.44



Nylon Needle & Seat Washers (10pk)

Needle And Seat Gasket - Nylon - BOTTOM/TOP - Holley Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-5123X   More Details...

$6.58



Hardware Kit 4150 Double Pumper Carb

Carburetor Hardware - CLIPS/PINS/SCREWS/SPRINGS - Holley 4150 Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-5150   More Details...

$34.33



Clear Fuel Bowl Sight Plugs - Pair

Float Bowl Sight Plugs - O-RING - Clear Plastic - Holley Carburetors - Pair
ADVANCED ENGINE DESIGN  |  Part# AED-5170   More Details...

$12.83



4150 Bowl Screws (10pk)

Fuel Bowl Screws - 2-1/2 In Long - Hex Head - Steel - Cadmium - Holley 4150 Carburetors - Set Of 10
ADVANCED ENGINE DESIGN  |  Part# AED-5200X   More Details...

$7.44



4160 Fuel Bowl Screws (8)

Fuel Bowl Screws - 1-7/8 And 2-1/2 In Long - Hex Head - Gaskets - Steel - Cadmium - Holley 4160 Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-5250   More Details...

$11.45



30cc Accelerator Pump Diaphragm

Accelerator Pump Diaphragm - 30 CC - Rubber - Gas - Holley Carburetors - Each
ADVANCED ENGINE DESIGN  |  Part# AED-5335   More Details...

$5.58