Wiseco Piston Set Wiseco Piston Kit Volvo B5234.T 82.0mm. CR8.5:1, 850,C/S/V70Wiseco Piston Set Wiseco Piston Kit Volvo B5234. T 82. 0mm. CR8. 5: 1, 850,C S V70 About Wiseco Forged Pistons Wiseco forged pistons are ideal where the rev limit is going to be raised. When the rev limit is increased the stresses placed on the piston rise massively and it is in these situations when the forged piston will come into its own. In addition Wiseco pistons also offer other benefits They have generous valve recesses allowing more cam