Specs
Bore Diameter 82.5mm (STD)
Compression Ratio 9.5:1
Rod Length 5.669in / 144mm
Stroke 92.8mm Standard
Pin .905in x 2.250in x .180in

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
Side gas ports for better ring seal
Ratios figured for 83.0mm x .036 head gasket @ 8.661 Deck Height
Top ring down dimension: .240"
Premium 8620 .180W wrist pins chamfered for roundwire locks included
Premium 1.0mm x 1.2mm x 2.8mm ring package included
Oversized valve pockets - for larger than stock valve sizes
Valve pocket depth: 0.110" intake and 0.095" exhaust
2618 material for High HP/Boost applications