Without Variable Camshaft Phasing

PISTON RING END GAP

Ring, End Gap
Top Compression 0.15-0.3 mm (0.006-0.012 in)
Second Compression 0.3-0.5 mm (0.012-0.019 in)

PISTON RING TO GROOVE CLEARANCE

Groove Clearance
Top Impression 0.05-0.08 mm (0.0019-0.0031 in)
Second Compression 0.05-0.082 mm (0.002-0.003 in)