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PitStopUSA.com - Engines & Components

Pit Stop USA has everything you need to build big horsepower and torque for your racing engine. Whether you need a ready to install high performance crate engine, a rotating assembly or top end kit we have you covered. PitStopUSA.com offers a huge assortment of aluminum or cast iron cylinder heads and everything you need to upgrade your valvetrain and oiling system. We have a great selection of pistons and piston rings. Check out our wide variety of forged and cast crankshafts, harmonic balancers, connecting rods, pulleys and motor mounts. We have a huge selection of racing engine parts from ARP Fasteners to Chevrolet crate engines and Ford crate engines.

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Camshafts & Valvetrain

At Pit Stop USA, we understand the importance of high-performance camshafts to give your classic muscle car that lumpy, high-performance idle or hold on for high-lift, high-rpm race performance....More Details »

Oiling Systems

Pit Stop USA is The Online Motorsports Superstore! We feature Oil System at low everyday prices.

Pistons & Piston Rings

Pit Stop USA is your one-stop-shop for high performance engine pistons and piston rings. Our extensive inventory includes hypereutectic and forged aluminum pistons in domed, dished, or flat top...More Details »

Belts & Pulleys

Whether you are replacing the stock OEM pulleys or building a new high performance or racing engine, PitStopUSA.com has the pulley system you need to do the job right. Choose from our great...More Details »

Connecting Rods & Components

Whether you're looking for H-Beam connecting rods, or stock appearing I-Beam connecting rods, PitStopUSA.com has your connecting rod solution in stock. We offer a great selection of connecting...More Details »

Crankshafts & Components

A strong crankshaft is the heart of any racing engine. Pit Stop USA has a wide variety of high performance racing crankshafts for your race car. Racers prefer lightweight cranks so their engine...More Details »

Cylinder Heads & Components

Getting a great set of cylinder heads is one of the best ways to create maximum horsepower from your racing engine. Creating the perfect fuel, air, and exhaust flow depends on the size and shape...More Details »

Engine Bearings

High performance engine bearings are available at PitStopUSA.com in a variety of styles and applications. Cam bearings combine the strength of a copper-lead alloy layer with steel backing and an...More Details »

Engine Covers, Pans & Dress-Up Components

If you're looking to give your engine compartment a facelift, an engine dress-up kit is just what you need. Pit Stop USA has a great selection of engine dress-up kits, including air cleaners,...More Details »

Engine Pre Heaters & Components

Are you tired of inconsistent engine performance and rough starts? Look no further than Engine Pre-Heaters! Our internal oil pre-heaters are designed to preheat your oil before each run, ensuring...More Details »

Engines, Blocks & Components

Pit Stop USA provides a convenient and proven solution for your project vehicle with our selection of crate engines, engine blocks, and components. Whether you're looking to build a new engine or...More Details »

Harmonic Balancers

Harmonic balancers from PitStopUSA.com reduce destructive crankshaft torsional vibration, which is the end-to-end twisting/rebound motion, that is naturally generated during each power stroke. A...More Details »

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Winters O-Ring for Grand National Hub Dust Cap

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Description: O-Ring, Rubber, Dust Cap, Hub, Each

Item #: WIN7479

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More About Engines & Components

Pit Stop USA is The Online Motorsports Superstore! We have a huge selection of racing engine parts from ARP Fasteners to Chevrolet crate engines and Ford crate engines.

Race engine parts include racing cams like Comp Cams, Crane Cams, Crower Cams, Howards Cams and Isky Cams flat tappet cams, roller cams or hydraulic cams. Forged rods like Carrillo Rods, Eagle Rods, Lunati Rods, Manley Rods and Oliver Rods. Cast crankshafts and forged crankshafts like Eagle Crankshafts, Lunati Crankshafts and Scat Crankshafts. We feature racing valves like Ferrea Valves, Manley Valves and Del West Titanium Valves.

Choose aluminum cylinder heads or cast iron cylinder heads like Brodix Heads, Dart Heads, Edelbrock Heads, or Racing Head Service Heads. Valve train components like roller lifters, solid lifters (flat tappet lifters), hydraulic lifters, chrome moly pushrods, roller rocker arms, aluminum rocker arms, stud girdles. Get Harland Sharp Rocker Arms, Scorpion Rocker Arms, Comp Cams Rocker Arms, Crower Rocker Arms then top it with Moroso Valve Covers.

Top quality high performance parts like ARP bolts, ATI Performance Dampers, Clevite 77 bearings, Cloyes Timing Chains, Cometic Gaskets, Edelbrock manifolds, Fel-Pro Gaskets, Fluidampr dampers, Ford Racing Parts, GM Performance Parts, Harland Sharp Rocker Arms, Howards Cams, Isky Cams, JE Pistons, Jesel Rocker Arms, Keith Black Pistons, King Engine Bearings, K-Motion Valve Springs, Lunati crankshafts, Manley Rods, Manley Valves, Mr. Gasket, Moroso Valve Covers, Powerbond Harmonic Balancers, Professional Products Intake Manifolds, Professional Products Dampers, Pro-Gram Engineering Main Bearing Caps, Pro-Tru Pistons, Racing Head Service cylinder heads, Scat Crankshafts, Scorpion Rocker Arms, SRP Pistons, T & D Rocker Arms, Total Seal Piston Rings, Silv-o-lite Pistons, Perfect Circle Piston Rings, SCE Gaskets, Speed-Pro Pistons, Speed-Pro Piston Rings, Weiand intake manifolds, Wiseco Pistons and World Products engine blocks.

We feature the top brands in Engine Components at low everyday prices.