Piston rings

Thickness mm (inch) Top Second	1,47 - 1,49 (0,0579 - 0,0587) 1,47 - 1,49 (0,0579 - 0,0587)
End gap measured in cylinder mm (inch) Top Second Oil (rail) Maximum	0,20 - 0,35 (0.008 - 0,0138) 0,15 - 0,30 (0,006 - 0,012) 0.20 - 0,70 (0,008 - 0,0276) 1,0 (0,039)
Ring grove width in piston mm (inch) Top Second Oil	1,52 - 1,54 (0,0498 - 0,0606) 1,52 - 1,54 (0,0498 - 0.0606) 4,02 - 4,04 (0,1583 - 0,1591)
Clearance of piston ring to ring grove Top Second Maximum	0,03 - 0,07 (0,0012 - 0,0028) 0.03 - 0,07 (0.0012 - 0,0028) 0,15 (0,006)