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KJWm4 · November 9th, 2013, 10:35

My kjw m4 V2 needs a new piston ring there are a few to choose from and I have no idea Wich ones are good or bad so some input would be awesome
Also do some piston rings loose performance and some gain a bit of performance ?
Any input wiuld be great Thx guys !

November 9th, 2013, 10:35	#1
KJWm4 Trader rating Join Date: Aug 2013	Need new piston ring which one ?! My kjw m4 V2 needs a new piston ring there are a few to choose from and I have no idea Wich ones are good or bad so some input would be awesome Also do some piston rings loose performance and some gain a bit of performance ? Any input wiuld be great Thx guys !