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AUDI - 2009-2012 R8 V10 5.2L FSI

  • 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 (Skirt Style F).
  • In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
  • FSR pistons include offset pins for quiet operation.
  • FSR pistons feature new Smooth Finished Crown process for excellent flame travel.
  • Tuff Skirt Coating Standard on all Audi R8 V10 Pistons
  • 1.0 x 1.2 x 2.8mm ring widths
  • .787 x 2.250 straight wall 9310 steel wrist pin provided.
  • Pin fitting, rings and wire locks included
AUDI - 2009-2012 R8 V10 5.2L FSI
ASYMMETRICAL FSR FORGING Std Bore: 84.5mm (For use with STD Alusil Bore)
*** NOTE *** Oil squirter modification needed for Asymmetrical FSR. Squirter can be bent or locating pin removed for clearance. Please make sure to check Rod to Oil Squirter clearance when relocating oil squirter.
Part # Bore Oversize Stroke
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
308178 84.5 STD 92.8 154 27.6 46 9.0 -14 284 T F XC8450

- 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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