Piston Ring Gap Chart

Piston Ring Gap Chart. To use this chart, multiply the bore size by the ring end gap factor to obtain the minimum end gap which should be achieved Maximum ring gap is an important part of ring performance in that too much gap results in lost compression, power loss and ultimately poor oil control


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To find the proper ring end gap, multiply your bore size by the ring end gap factor listed on the chart (i.e., Street Naturally Aspirated 4.000" bore x .0065" gap factor = .026" cast or forged pistons The following chart indicates the specifications for compression ring gap as outlined by the SAE (Society of Automotive Engineers) as standards for the automotive piston ring manufacturers.

Below is a chart which contains the recommended end gap factor In this article, we're going to explore how to select, measure, and adjust your ring end gaps to help achieve a reliable ring seal in your engine building project. Testing has proven that a larger second ring gap increases the top ring's stability allowing for a better seal

. Maximum ring gap is an important part of ring performance in that too much gap results in lost compression, power loss and ultimately poor oil control Testing has proven that a larger second ring gap increases the top ring's stability allowing for a better seal

How to FileFit and Install Piston Rings. To use this chart, multiply the bore size by the ring end gap factor to obtain the minimum end gap which should be achieved Below is a chart which contains the recommended end gap factor