What Are Piston Valve Reliefs? And How Do They Impact Your Cylinder Head Choices

Shopping for new pistons for your street performance or race engine? Then you should absolutely know about the role valve reliefs play in your piston and cylinder head selection. To help elaborate on that point, we brought in Trey McFarland from RaceTec Pistons to talk all about the various types of valve reliefs found on a piston head, and what purpose they serve. More importantly, you’ll hear about some crucial checks and tests you can do to ensure you pick the best pistons for your engine—Trey also talks about the perils of selecting the wrong valvetrain, cam, and piston combination too. If you’re a performance engine builder, consider this one a must-watch.

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