2009-2012 GSXR-1000 PartNo: A-F1110-140	2007-2008 GSXR-1000 PartNo: A-E6110-141
Retains stock oil passages T=0.60mm (STD : T=0.65mm) Compression Ratio = 12.9:1 (STD = 12.8:1)	Retains stock oil passages T=0.55mm (STD: T=0.60mm) Compression Ratio = 12.7:1 (STD = 12.5:1) Recommended Squish Height = 0.5mm or Over When used with High Comp Piston Kit (200-508-0734), compression ratio increases to 14.0:1

2011 GSX-R600 (ONLY) PartNo: A-F4110-140	2006-2011 GSX-R600 PartNo: A-E9110-141
Retains stock oil passages. T=0.50mm (STD: T=.65mm) Compression Ratio = 13.3:1 (STD = 12.8:1)	Retains stock oil passages. T=0.55mm K8-K11 (Kit 13.1:1 / STD 12.8:1) K6-K7 (Kit 12.8:1 / STD 12.5:1)

 

*Actual product may vary