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Professional Products
Professional Products makes the finest performance parts your can buy at lower prices.

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Items 1-12 of 92
Air Cleaner Spacers
You can create incredible horsepower and torque simply by getting the right mix of air and fuel into your engine.
Air Snorkels
EFI Air Snorkels provide great flexibility to clear components and permit routing of the air inlet hose. PitStopUSA.com carries EFI Air Snorkels including fully adjustable air inlet elbows that be positioned in a full 360 degree manner.
Canister Fuel Filters
Pit Stop USA is The Online Motorsports Superstore! We feature Canister Fuel Filters at low everyday prices.
Carburetor Adapters
Whether you want to run a Holley 4150 on a 4500 Dominator Manifold, turn your carb sideways, or mount a two barrel on a four barrel manifold, PitStopUSA.com has a huge selection of carburetor adapters to choose from.
Carburetor Fittings
Carburetor Fittings from PitStopUSA.com are perfect for plumbing and upgrading carburetion fuel systems. We have a wide variety of carburetor fittings and adapters to choose from.
Chevrolet 2500/3500 Fasteners
Pit Stop USA sells all the products you need for your 3/4 and 1-ton GMC or Chevrolet Trucks including Fasteners.
Chevrolet 2500/3500 Fuel Injection Systems and Components - Electronic
Pit Stop USA sells all the products you need for your 3/4 and 1-ton GMC or Chevrolet Trucks including Fuel Injection Systems and Components - Electronic.
Chevrolet 2500/3500 Gaskets and Seals
Pit Stop USA sells all the products you need for your 3/4 and 1-ton GMC or Chevrolet Trucks including Gaskets and Seals.
Chevrolet 2500/3500 Intake Manifolds and Components
Pit Stop USA sells all the products you need for your 3/4 and 1-ton GMC or Chevrolet Trucks including Intake Manifolds and Components.
Items 1-12 of 92

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Items 1-25 of 238
Description: Crankshaft Pulley Spacer, 0.950 in Thick, Aluminum, Natural, 4-Bolt Pulley, Small Block Ford, Each. More Details »
Item #: PRP81007
Condition: New
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Price: $20.99
Sale: $19.42
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Limited Supply: Only 0 Left!
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Price: $29.49
Sale: $27.74
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Description: Harmonic Balancer Counter Weight, Bolt-On, Hardware, Steel, Zinc Oxide, Professional Products Harmonic Balancers, Small Block Chevy More Details »
Item #: PRP91003
Condition: New
Limited Supply: Only 1 Left!
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Price: $10.23
Sale: $7.39
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Description: Open Center, Square Bore Carburetor, Dominator Manifold, 1.70" Thick More Details »
Item #: PRP20100
Condition: New
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Price: $57.10
Sale: $48.67
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Description: Open Center, Square Bore Carburetor, .125" Thick More Details »
Item #: PRP52111
Condition: New
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Price: $9.22
Sale: $6.47
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Description: Inline Mount, Aluminum, Blue/Red, 15 Microns, 1/2" NPT Female Inlet/Outlet More Details »
Item #: PRP10302
Condition: New
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Price: $56.19
Sale: $50.83
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Description: Thottle Body Gasket, Composite, Professional Products 65-75 mm Throttle Body, Small Block Ford, Ford Mustang 1986-93 More Details »
Item #: PRP69400
Condition: New
Limited Supply: Only 1 Left!
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Price: $6.43
Sale: $4.34
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Description: Intake Manifold, Crosswind, Square Bore, Dual Plane, Aluminum, Polished, Oldsmobile V8, Each. More Details »
Item #: PRP57025
Condition: New
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Oversized / Overweight Item. Ships from Michigan.
Price: $370.00
Sale: $269.83
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Description: Intake Manifold, Crosswind, Square Bore, Dual Plane, Aluminum, Natural, Oldsmobile V8, Each. More Details »
Item #: PRP57026
Condition: New
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Oversized / Overweight Item. Ships from Michigan.
Price: $310.00
Sale: $222.21
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Description: Carbureted, Polished Aluminum, Small Block Chevrolet More Details »
Item #: PRP52025
Condition: New
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Price: $240.00
Sale: $210.62
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Description: Carbureted, Polished Aluminum, Small Block Chevrolet More Details »
Item #: PRP52027
Condition: New
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Price: $240.00
Sale: $200.68
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Description: Intake Manifold, Crosswind, Square Bore, Dual Plane, Aluminum, Polished, Small Block Mopar, Each. More Details »
Item #: PRP55025
Condition: New
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Price: $320.00
Sale: $228.56
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Description: Carbureted, Aluminum, Chrysler, Dodge, Plymouth, Small Block More Details »
Item #: PRP55026
Condition: New
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Price: $215.00
Sale: $189.91
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Description: Intake Manifold, Crosswind, Spread/Square Bore, Dual Plane, Aluminum, Polished, Big Block Chevy, Each. More Details »
Item #: PRP53025
Condition: New
Limited Supply: Only 1 Left!
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Price: $300.00
Sale: $213.89
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Description: Carbureted, Aluminum, Big Block Chevrolet, Oval Port More Details »
Item #: PRP53026
Condition: New
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Price: $240.00
Sale: $185.87
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Description: Carbureted, Polished Aluminum, Small Block Ford More Details »
Item #: PRP54025
Condition: New
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Price: $340.00
Sale: $264.54
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Description: Intake Manifold, Cyclone, Spread/Square Bore, Dual Plane, Aluminum, Polished, Big Block Chevy, Each. More Details »
Item #: PRP53000
Condition: New
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Price: $255.00
Sale: $190.47
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Description: Intake Manifold, Cyclone, Spread/Square Bore, Dual Plane, Aluminum, Natural, Big Block Chevy, Each. More Details »
Item #: PRP53001
Condition: New
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Price: $210.00
Sale: $175.91
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Description: Carbureted, Aluminum, Small Block Chevrolet More Details »
Item #: PRP52009
Condition: New
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Price: $170.00
Sale: $146.51
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Description: Carbureted, Polished Aluminum, Small Block Chevrolet More Details »
Item #: PRP52006
Condition: New
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Price: $225.00
Sale: $172.58
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Description: Carbureted, Aluminum, Small Block Chevrolet More Details »
Item #: PRP52007
Condition: New
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Price: $168.00
Sale: $135.82
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Description: Carbureted, Polished Aluminum, Small Block Chevrolet More Details »
Item #: PRP52000
Condition: New
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Price: $210.00
Sale: $165.76
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Description: Carbureted, Aluminum, Small Block Chevrolet More Details »
Item #: PRP52001
Condition: New
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Price: $150.00
Sale: $122.98
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Description: Carbureted, Aluminum, Small Block Chevrolet More Details »
Item #: PRP52013
Condition: New
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Price: $160.00
Sale: $138.70
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Description: Carbureted, Polished Aluminum, Small Block Chevrolet More Details »
Item #: PRP52012
Condition: New
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Price: $185.00
Sale: $159.05
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Items 1-25 of 238

More About Professional Products

Pit Stop USA is The Online Motorsports Superstore! Professional Products makes the finest performance parts your can buy. Professional Products use the latest manufacturing techniques and the best materials available. Professional Products also added a harmonic damper program that offers unmatched precision and performance, compared to others that ask twice the price. Professional Products Power+Plus Typhoon Manifold is a high performance dual plane, 180A street manifold that produces power comparable to some single plane manifolds yet retains the throttle response and drive ability typical of a dual plane. This manifold also features cast-in nitrous bosses with water outlets at all four corners plus dual distributor hold downs. Professional Products CrossWind features an open area under the plenum chamber. This provides for a flow of cooling air which keeps the temperature of the air/fuel charge lower thus producing more power and torque. Professional Products Power+Plus Hurricane Manifold is a single plane 360A design that provides optimum power in the mid to upper rpm ranges. Features include nitrous bosses, dual distributor hold downs, four corner water ports, and more. The Power+Plus Hurricane ports are very specifically positioned to provide an optimum starting point for custom porting. Fits standard port location 23A heads including cast iron Bowtie, Dart Iron Eagle, World, plus most aluminum aftermarket 23A heads. Professional Products PowerForce and PowerForce+Plus Harmonic Dampers are 6-3/4" in diameter and approximately 1-1/8" thick. These Professional Products dampers are dimensionally identical to the stock G.M. 6-3/4" damper. They have 60A of easy to read timing marks and engraved marks every 90 degrees. The Powerforce high performance street model weighs approximately 8-1/2 pounds and the Powerforce+Plus race model weighs 9.3 pounds. We feature Professional Products Intake Manifolds and Professional Products Harmonic Balancers at low everyday pri