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Piston Ring Gap & Groove Clearance

Piston Rings (End Gap Measured in Cylinder Bore) Piston Compression Ring Gap (Production-Top Groove) 0.010-0.016 Inch (in)
Piston Compression Ring Gap (Production-2nd Groove) 0.018-0.026 (Maximum) Inch (in)
Piston Compression Ring Gap (Service-Top Groove) 0.19 (Maximum) Inch (in)
Piston Compression Ring Gap (Service-2nd Groove) 0.31 (Maximum) Inch (in)
Piston Compression Ring Groove Clearance (Production-Top Groove) 0.0012-0.0027 Inch (in)
Piston Compression Ring Groove Clearance (Production-2nd Groove) 0.0015-0.0031 Inch (in)
Piston Compression Ring Groove Clearance (Service) 0.0033 (Maximum) Inch (in)
Piston Oil Ring Gap (Production) 0.010-0.029 Inch (in)
Piston Oil Ring Gap (Service) 0.035 (Maximum) Inch (in)
Piston Oil Ring Groove Clearance (Production) 0.0018-0.0037 Inch (in)
Piston Oil Ring Groove Clearance (Service) 0.0039 (Maximum) Inch (in)