Specs
Bore Diameter95.5mm (STD)
Compression Ratio10.5:1
Rod Length5.886in / 149.5mm
Stroke86mm Standard
PinH-13 .866in x 2.500in x .225in

Piston Features:
3D milling on piston crowns for ready to install finish
Offset pins for quiet operation
Moly skirt coating for friction loss and skirt wear protection
Ratios figured for 97mm x .030 head gasket
Top ring down dimension: .280″
Premium 8620 .185W wrist pins chamfered for roundwire locks included
Premium 1.2mm x 1.5mm x 3.0mm ring package included
Over-sized valve pockets – for larger than stock valve sizes
Valve pocket depth: 0.225″ intake and .000″ exhaust
2618 material for High HP/Boost applications