Moose Utility Wheel 393B 12X8 4/156 4+4 393128156Gbml4

WSM Piston Assembly 50-520-5-70Coated with MOS2 for high performance and heat absorption, Ported to match WSM Banshee sleeves, Fit bores from 64mm to 70.5mm, Piston pin is 5mm higher on long rod pistons to accommodate long rod, Made in Germany BORE - OVERS