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Jimmy70RSSS · 09-09-2024, 03:35 PM

I bought an old 402/375 iron head combo. Pulled it apart today and it has CP pistons C8-CP. The ring grooves and rings are thin. Is this legal? It?s definitely not the stock width ring grooves. No spacers were used.

09-09-2024, 03:35 PM	#1
Jimmy70RSSS Junior Member Join Date: Apr 2011 Posts: 8 Likes: 4 Liked 2 Times in 1 Post	402/375 pistons I bought an old 402/375 iron head combo. Pulled it apart today and it has CP pistons C8-CP. The ring grooves and rings are thin. Is this legal? It?s definitely not the stock width ring grooves. No spacers were used.