Piston Tech 101: What Are Accumulator Grooves?

At first glance, the piston in an internal combustion engine seems like a fairly straightforward component-but there’s an amazing amount of tech contained within each one. And that’s particularly evident when you hear why RaceTec includes an accumulator groove between the ring lands on its pistons. In this video, you’ll get some insight into the relationship between piston rings, blow-by, combustion pressure, and the accumulator groove-and how it all affects engine performance.
Get RaceTec Pistons for your next engine build at Summit Racing:
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[@davidreed6070]

Hello guys,will you share who is the manufacturer of your pro ls line of pistons,they look good and im about to abuse them.