Engine :: Rotating Assembly :: Pistons Concept Z Performance Wiseco For Nissan 04 350Z VQ35 4v Dished 10cc 95.5 Piston Shelf St Wiseco 1400 HD Mitsu EVO 8 4G63 Turbo 21cc Piston Shelf Stock Kit Wiseco 1400 HD Mitsu EVO 8 4G63 Turbo 21cc Piston Shelf Stock Kit [3308793] SAAB Wiseco Forged Piston Set 2618 Alloy (90.5mm 9.3:1. Wiseco 6549M8725 Nissan VG30 Turbo 9cc 1. 260 X 87. 25mm Piston Shelf Stock Professional Series forged racing pistons from Wiseco are no expense spared pistons designed for the serious racers and builders. Packed full of custom level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wisecos Professional Series. Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength Special Piston Skirt Coating: seizure resistant, friction reduction, and quieter operation Fully machined crown features Precision ring grooves, anti detonation groove, and additional ring seal improving features Forced pin oiling Designed and built to withstand heavy to severe duty performance applications