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Performance Aftermarket Engine Upgrades for Subaru and Toyota

At PERRIN Performance, we help you get more out of your boxer engine with aftermarket upgrades that reduce rotational weight, improve cooling, and clean up the OEM fit and finish of your engine bay.

Find PERRIN engine upgrades for:

Our engine upgrades are made to be long-lasting, with precision manufacturing and machining. Many of our upgrades, like the air-oil separator, increase the longevity of your engine and keep it running in top condition for longer, too. Our oil cooler reduced engine temperatures for a longer-lasting motor and more consistent power delivery.

Install our lightweight crank pulley and reduce rotational weight at the source, right on the engine, for better throttle response on every blip.

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