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'01-'06 BMW E46 M3, '01-'02 Z3, '06-'08 Z4 S54B32 3.2L 24V

  • Crown requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform.
  • In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
  • FSR pistons include offset pins for quiet operation.
  • Pistons feature new Smooth Finished Crown process for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths
  • .827 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting, rings and wire locks included
'01 - '06 E46 M3, 01' - 02' Z3, 06' - 08' Z4 S54B32 3.2L 24V
**Compression Ratio Assumes .025 Gasket
Part # Bore Oversize Stroke
(mm)		 Rod
(mm)		 C/D
(mm)		 Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
297115 87.0 STD 91 139 32.3 33 9.0:1 -29.3 306 T, M F JG1006-3425
297117 87.0 STD 91 139 32.3 33 11.5:1 -13.2 330 V, M F JG1006-3425
297119 87.0 STD 91 139 32.3 33 12.5:1 -8.7 340 U, M F JG1006-3425
297116 87.5 0.5 91 139 32.3 33 9.0:1 -30 308 T, M F JG1006-3445
297118 87.5 0.5 91 139 32.3 33 11.5:1 -13.8 332 V, M F JG1006-3445
297120 87.5 0.5 91 139 32.3 33 12.5:1 -9.2 342 U, M F JG1006-3445

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.

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