Page 653 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

Ultimate Throttle Return Bracket
WCD2512BBL / WCD250 4BBL
Kwik-Release Fuel Line Kits Unique throttle return bracket locates the
return springs below the carburetor base
plate, providing increased air cleaner
clearance. Bracket, which includes a
gloss black powder coated finish, in-
cludes provisions for springs on both
WCD7500 the primary and secondary throttle
shafts. Fits all popular Holley 2BBL
double pumper carburetors.
Quickly disconnect and connect carburetor fuel lines without
leaks. Each kit includes two carburetor fittings. Load Regulated Fuel Pressure Regulator
Part No. Description Regulator automatically adjusts fuel
WCD7500 Kwik-Release Fuel Line Kit, Holley 4150 pressure according to manifold vacuum,
WCD7502 Carburetor Fitting, Each WCD7502 preventing the carburetor from flooding WCD691
and stumbling during low engine speeds.
Specialized Carburetor Tools Under deceleration, when manifold vacu-
Willy’s offer a selection of one-of-a-kind tools designed for use um is high, regulator opens and drops fuel
in service and repair of Holley carburetors. pressure; under acceleration, manifold
vacuum drops and closes regulator, rais-
ing fuel pressure as required. Adjustable
from 3-5 PSI at idle and 9-10 PSI at wide
open throttle. Fully CNC-machined regulator is manufactured from
durable, billet aluminum and features a black anodized finish.
WCD3001 WCD3103 WCD3300 Part No. Description
WCD691 Fuel Pressure Regulator, Alcohol Applications Using Electric Fuel Pump
Part No. Description WCD791 Fuel Pressure Regulator, Alcohol Applications Using Belt Drive Fuel Pump
WCD3001 Float Adjusting Tool, Blue WCD890 Fuel Pressure Regulator, Gasoline Or Alcohol Applications
WCD3103 Power Valve Tool, Purple
WCD3104 Power Valve Tool, Red Roll-Over Plate WCD4000
WCD3300 Float Bowl/Jet Tool, Red
Safety first! Willy’s rollover plate is
the first of its kind. In the event of a
rollover, this plate blocks fuel from
escaping the vent tube and air bleed
channels when the carb is turned
over. The plate is constructed of air-
craft billet aluminum and stainless steel. To use, install the plate
between the carb body and metering block. Includes float bowl
screws, accelerator pump arm and blue non-stick gasket.

Nutbuster WLS906006
Wing style, -6AN wrench stays
directly attached to the nitrous bottle
fitting, allowing quick bottle changes
without the need for any other tools.
Billet, 6061-T6 aluminum wrench
Nitrous System Accessories is lightweight and durable, and in-
Wilson Manifolds offers a complete line cludes a plastic-tipped set screw, which retains the wrench while
of Nitrous Pro-Flow nitrous system acces- preventing damage to aluminum line fittings.
sories for the performance enthusiast. WLS333221
Part No. Description
WLS332006 Replacement Burst Panels For Nitrous Pro-Flow Plates, Qty. 6 Fuel Flow Tool WLS904001
WLS333221 Manifold Pressure Relief Valve, Each The only accurate method of
WLS333222 Manifold Pressure Relief Valve Set, Pair setting flowing fuel pressure on
WLS368016 -6AN Bottle Mounted Filter/Line Adapter nitrous-oxide assisted applications.
WLS379312 Alcohol Solenoid, .312" Sold complete with instructions and
WLS732101 WOT Switch And Bracket, 4150 Carb
WLS732201 WOT Switch And Bracket, 4500 Carb jet chart. One tool is required per
WLS810011 WOT Switch Only fuel solenoid on the engine.

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