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Piston kit with rings Volvo B18 Race/0.5higher
SKU: 275199
Item GBD334400SC is well suited for honing.
See more info below.
CP Pistons Cylinder Honing Recommendation
(for CPN & CPN2)For use with CP's CPN and CPN2 piston rings, we recommend plateauhoning with a cylinder bore cross hatch angle of 35-40°.
To reach this roughness, the manufacturers of honing machines and accessories recommend using a gray cast iron engine block, and Nikasil cylinders:-
Conventional stones #220 - #280 grit or-
Diamond stones # 325 - #550 grit after honing, with either conventional or diamond stone, the same manufacturers suggest to finish your honing by smoothing the surface with a fine grit conventional abraisive (#400 - #600 grit) or sweep the bores with a flexible brush or a nylon bristle plateau honing tool. This is necessary to get rid of jagged peaks and folded or torn material.
IMPORTANT NOTE: Be sure to confirm with your honing equiment manufacturer that the recommended stone grit will produce the following Rz and Ra roughness recommendations: Rz = 59 - 138 µ in (=1.5 - 3.5 µm) or Ra = 15 - 35 µ in (=0.4 - 0.9 µ m). Recommendations for installation.
