2006 Saturn Vue - Engines & Components

2011 Mazda MX-5 Miata

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Performance Engines and Components


The engine is usually the center of attention in performance vehicles, and horsepower is one of the most popular topics of conversation among DIY gearheads. Whether you are building your own performance engine or want a drop-in performance crate engine, we've got you covered. Find the performance engines and engine components you need for your vehicle at O'Reilly Auto Parts.

Performance Crate Engines

Building a performance engine can be one of the largest tasks when putting together your performance vehicle. Getting an engine that is partially- or fully-assembled can make the process of adding power easier and can save time. O'Reilly Auto Parts offers short-block, long-block, and fully-assembled crate engines for your build. Short-block engines have the engine block assembled, but do not include the oil pan, heads, or intake as part of the assembly. Long-block engines include a fully-assembled engine without an intake system. Crate engines are fully-assembled, fully-overhauled, and pre-balanced engines that include the intake, and they may also include the carburetor or throttle body and the distributor or ignition system for complete, drop-in power. No matter what type of engine upgrade you have in mind, we've got you covered so you can build the best engine for your performance vehicle.

Internal Engine Components

The components inside an engine are designed to work together to deliver maximum performance. Parts such as camshafts, crankshafts, pistons, and more are synchronized to maintain the timing and compression the engine needs to provide the power you want. As you upgrade internal engine components, you will likely also need to consider upgrading parts like the oil pump, lifters, and timing chain or gears to make sure the engine remains properly timed and adequately lubricated. When upgrading the internal parts of your engine, ensuring that you know the tolerances and specifications can help to make sure parts like the valves and pistons will not make contact with each other while the engine is running. If the piston stroke or valve opening is too long, these parts can collide and cause catastrophic engine damage. Shop O'Reilly Auto Parts for the performance internal engine components to get the power you want from your engine.

Performance Cylinder Heads

Upgrading the cylinder heads on your engine can help get more air into the cylinders and improve combustion to produce more engine performance. The cylinder heads contain the valves and valve springs which open and close to receive the right amount of air for the fuel mixture, and allow the exhaust gases to leave the engine. Upgrading the valves, valve springs, and rocker arms can help the cylinder heads operate more efficiently and provide more complete combustion, which can also improve performance. Shop O'Reilly Auto Parts for new cylinder heads or valvetrain parts to upgrade your performance engine.

Shop Performance Engines and Parts

Building an engine, or using a drop-in crate engine, can add the power you want to your performance vehicle. You can find the performance engines and components you need for your build at O'Reilly Auto Parts. Shop for the best engines, engine components, cylinder heads, timing parts, valvetrain parts, oil pans, oil pumps, and more to add performance and power to your vehicle. We also carry performance oil, lubricants, and coolant to protect your engine in the harshest driving or racing conditions.