Page 754 - 2022-23 Auto Performance Drag Racing

DRAG RACING
Nitrous System Accessories
Wilson Manifolds offers a complete line of Nitrous Pro-Flow nitrous system accessories
4150 Billet Throttle Body WLS472175 NEW!
for the performance enthusiast.
Part No.
WLS333221
Description
Among the highest flowing 4150 throttle bodies currently available with 1,287 CFM of flow. Billet aluminum, fully CNC-machined throttle body features a stainless steel, three- way adjustable linkage, and 3/8" throttle shafts that ride on sealed roller bearings, Includes built-in IAC, TPS, and air temp sensors to ease installation.
4-Hole Spacers
Economically-priced spacers are fully CNC-machined from billet 6061 aluminum and use a 4-hole design for increased low- and mid- range horsepower.
WLS332006
Replacement Burst Panels for Nitrous Pro-Flow Plates, Qty. 6
WLS333221
Manifold Pressure Relief Valve, Each
WLS333222
Manifold Pressure Relief Valve Set, Pair
WLS368016
-6AN Bottle Mounted Filter/Line Adapter
WLS379312
Alcohol Solenoid, .312"
WLS810011
WOT Switch Only
CNC-Ported Edelbrock Victor Manifold For SB Chevy
WLS128250
Competition-prepared
small block Chevy mani-
fold includes CNC-blended,
port-matched runners,
recontoured dividers and
plenum areas to maxi-
mize out-of-the-box performance. Independent dyno tests showed up to a 24 horsepower increase over an unmodified Edelbrock manifold. Manifold is port matched to Fel-Pro 1206/1266 intake gasket.
Open And Tapered 4-Hole Carb Spacers
WLS011111
Part No.
Carburetor Adapters
Description
WLS011111
Holley 4150 850 CFM Spacer, 1" Tall, 1.750" Bore
WLS011311
Holley 4150 750 CFM Spacer, 1" Tall, 1.680" Bore
Hard-coated aluminum spacers reduce heat transfer from the intake manifold, increase plenum volume and improve air/ fuel distribution. Torque and throttle response are increased throughout the RPM range. Available for Holley 4150 and 4500 series, and Rochester Quadrajet carburetors.
Four-hole adapters maximize
horsepower for mismatched
carbs and intakes, provid-
ing an exceptionally efficient
transition to prevent mixture
separation and enhance air flow and distribution.
Part No. Description
4500 Billet Throttle Body WLS473255
High-flow, 4500 Dominator-flanged
throttle body was developed using the
latest computer modeling software
and test equipment. CNC-machined
from billet 6061-T6 aluminum with a
black anodized finish, throttle body is
fit with stainless steel throttle blades,
features 2.55" dia. throttle bores, and flows 2,320 CFM.
Shear Plates
Engineered for use on sheet metal intake manifolds, aluminum shear plates have a unique taper to pro- mote fuel atomization, reduce fuel puddling, improve the carb signal, and flatten the fuel curve.
Part No. Description
WLS007030
4150 Carb to 4500 Manifold Adapter, 1.500" Bores
WLS027030
4500 Carb to 4150 Manifold Adapter, 1.500" Bores
Part No.
Description
Open Spacers
WLS000010
Holley 4150, 1" Tall
WLS000030
Holley 4150, 1-1/2" Tall
WLS000050
Holley 4150, 2" Tall
WLS020010
Holley 4500, 1" Tall
WLS020050
Holley 4500, 2" Tall
4-Hole Spacers
WLS004110
Holley 4150, 1" Tall, 1.75" Bore
WLS004130
Holley 4150, 1-1/2" Tall, 1.75" Bore
WLS004150
Holley 4150, 2" Tall, 1.75" Bore
WLS024110
Holley 4500, 1" Tall, 2.00" Bore
WLS024130
Holley 4500, 1-1/2" Tall, 2.00" Bore
WLS024210
Holley 4500, 1" Tall, 2.150" Bore NEW!
WLS024250
Holley 4500, 2" Tall, 2.150" Bore NEW!
WLS024310
Holley 4500, 1" Tall, 2.250" Bore NEW!
WLS024350
Holley 4500, 2" Tall, 2.250" Bore NEW!
WLS024410
Holley 4500, 1" Tall, 2.375" Bore NEW!
WLS024450
Holley 4500, 2" Tall, 2.375" Bore NEW!
WLS024810
Holley 4500, 1" Tall, 2.550" Bore NEW!
WLS074110
Rochester Q-Jet, 1" Tall
WLS505175
4150 Holley, 1/2" Thick, 1.750" Bore NEW!
WLS525200
4500 Dominator, 1/2" Thick, 2.00" Bore
WLS525255
4500 Dominator, 1/2" Thick, 2.550" Bore NEW!
WLS525315
4500 Dominator, Split Design, 1/2" Thick, 2.150" Bore
NEW!
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2022-23