Spec
Bore Diameter 84.5mm
Stroke89.6mm
Rod5.709
Comp Height1.240
Weight311
Pin.866 x 2.250
CC-11.5cc
Comp Ratio10.5

Piston Features:
3D milling on piston crowns for ready to install finish
Offset pins for quiet operation Ratios figured for 85.0mm x .040 head gasket
Top ring down dimension: .300″
Premium 8620 .180W wrist pins chamfered for roundwire locks included
Standard 1.0mm x 1.2mm x 2.8mm ring package
Over-sized valve pockets – for larger than stock valve sizes
Valve pocket depth: 0.165″ intake and 0.150″ exhaust
2618 material for High HP/Boost applications