Piston Ring, Engine

Ring Gap
Compression Ring Top 0.30 - 0.55 mm (0.012 - 0.022 Inch)
Compression Ring Second 0.55 - 0.80 mm (0.022 -0.031 inch)
Oil Control Steel Rails 0.381 - 1.397 mm (0.015 - 0.055)

Ring Side Clearance
Compression Rings 0.040 - 0.085 mm (0.0016 - 0.0033 inch)
Oil Ring Steel Rails 0.05 - 0.21 mm (0.002 - 0.008 inch)

Ring Width
Compression Rings 1.530 - 1.555 mm (0.060 - 0.061 inch)
Oil Ring Steel Rails (Max.) 0.447 - 0.473 mm (0.018 - 0.019 inch)