Description
Specs
Bore Diameter87.5mm (STD)
Compression Ratio9.3:1
Rod Length6.136in / 155.8mm
Stroke83.1mm Standard
PinH-13 .886in x 2.250in x .225in
Piston Features:
Piston crowns designed to work with OEM direct injection
3D milling on piston crowns for ready to install finish
Offset pins for quiet operation
Side gas ports for better ring seal
Moly skirt coating for friction loss and skirt wear protection
Ratios figured for 3.641 x .040 head gasket
Top ring down dimension: .250″
Premium 8620 .180W wrist pins chamfered for roundwire locks included
Premium 1.0mm x 1.2mm x 2.8mm ring package included
Over-sized valve pockets – for larger than stock valve sizes
Valve pocket depth: 0.150″ intake and .145″ exhaust
2618 material for High HP/Boost applications
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