the trw means that it is TRWs piston the 3018f (F) meaning it is a forged piston So you should be able to call them or check there web site. }[oooooo]
Ps. to find any other info about that piston .And if I remember right that is there 307 piston. hope this helped



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NovaMan/Twisted6/Larry

Larry/Twisted6
[oooooo] smile
Adding CFM adds boost smile
shocked God doesn't like ugly.