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Piston Ring Gap & Groove Clearance

Piston Ring Thickness, Top 0.0461 - 0.0469 Inch (in)
Piston Ring Thickness, Second 0.0579 - 0.0587 Inch (in)
Piston Ring Thickness, Oil Control Rail 0.43 max Inch (in)
Piston Ring Thickness, Oil Control Spacer 1.574 - 1.651 Inch (in)
Ring-to-Groove Clearance, Top 0.04 - 0.08 Millimeter (mm)
Ring-to-Groove Clearance, Second 0.0012 - 0.0027 Inch (in)
Ring-to-Groove Clearance, Oil Control 0.090 - 0.106 Inch (in)
Ring Gap, Top 0.008 - 0.016 Inch (in)
Ring Gap, Second 0.014 - 0.022 Inch (in)
Ring Gap, Oil Rails 0.010 - 0.030 Inch (in)