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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



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



Drop Leg Booster - .160in Orifice (4)

Carburetor Venturi Booster - Drop Leg - 0.160 In Orifice - Aluminum - Natural - Holley 4150 Carburetors - Set Of 4
ADVANCED ENGINE DESIGN  |  Part# AED-60722   More Details...

$20.77



Drop Leg Booster - .180in Orifice (4)

Carburetor Venturi Booster - Drop Leg - 0.180 In Orifice - Aluminum - Natural - Holley 4150 Carburetors - Set Of 4
ADVANCED ENGINE DESIGN  |  Part# AED-60723   More Details...

$20.77



Nos Wot Activation Switch & Bracket - 41

Nitrous Micro Switch - Bracket Included - Holley 4150 Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-6086   More Details...

$35.76



Nos Wot Activation Switch & Bracket - 45

Nitrous Micro Switch - Bracket Included - Holley 4500 Carburetors - Kit
ADVANCED ENGINE DESIGN  |  Part# AED-6087   More Details...

$35.76



#6 Fuel Bowl Fitting

Carburetor Inlet Fitting - Straight - 6 An Male To 7/8-20 In Male - Aluminum - Red Anodize - Holley Style Carbureto...
ADVANCED ENGINE DESIGN  |  Part# AED-6090   More Details...

$17.13



1-1/2 Fuel Pressure Gauge 0-30PSI

Pressure Gauge - 0-30 Psi - Mechanical - Analog - 1-1/2 In Diameter - 1/8 In NPT Port - White Face - Each
ADVANCED ENGINE DESIGN  |  Part# AED-6102   More Details...

$21.49



1-1/2 Fuel Press. Gauge 0-30PSI Liquid F

Pressure Gauge - 0-30 Psi - Mechanical - Analog - 1-1/2 In Diameter - Liquid Filled - 1/8 In NPT Port - White Face ...
ADVANCED ENGINE DESIGN  |  Part# AED-6103   More Details...

$30.03



Nos Bottle Gauge & Fitting Kit #4

Nitrous Pressure Gauge - 0-1500 Psi - Mechanical - Analog - 1-1/2 In Diameter - 1/8 In NPT Port - 4 An Fitting - Wh...
ADVANCED ENGINE DESIGN  |  Part# AED-6105   More Details...

$47.23