Diamond Pistons BMW N54B30 3.0L Series 84.0mm -18.0cc 9.5
is backordered and will ship as soon as it is back in stock.
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Description
Spec
Bore Diameter 84.0mm
Stroke 89.6mm
Rod 5.709
Comp Height 1.240
Weight 303
Pin .866 x 2.250
CC -18.0cc
Comp Ratio 9.5
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
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