Windowed piston

sherron82

Active Member
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Joined
Nov 9, 2023
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244
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Morristown TN
I know I keep asking questions but I'm about to purchase the oz reed valve from Amazon. It says I would need a windowed piston. I'm trying to figure out what type of piston to buy. I think mine is 47mm high hole piston but not to sure and I don't wanna order the wrong one. Can anyone help me find out. I have the stage 4 bbr engine. Thanks and you all have been so helpful.
 

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