Piston Ring, Engine

PISTON RINGS

Ring Gap-Top Compression Ring

Non-Turbo 0.25-0.51 mm (0.0098-0.020 in.)
Turbo 0.20-0.40 mm (0.0078-0.0157 in.)
Wear Limit 0.8 mm (0.031 in.)

Ring Gap-2nd Compression Ring

Non-Turbo 0.23-0.48 mm (0.009-0.018 in.)
Turbo 0.20-0.40 mm (0.007-0.015 in.)
Wear Limit 0.8 mm (0.031 in.)

Ring Gap-Oil Control Steel Rails

Non-Turbo 0.25-0.64 mm (0.009-0.025 in.)
Turbo 0.15-0.66 mm (0.005-0.025 in.)
Wear Limit 1.0 mm (0.039 in.)

Ring Side Clearance-Compression Rings

Non-Turbo 0.030-0.080 mm (0.0011-0.0031 in.)
Turbo 0.035-0.085 mm (0.001-0.003 in.)
Wear Limit 0.10 mm (0.004 in.)

Ring Side Clearance-Oil Ring Pack

Non-Turbo 0.012-0.178 mm (0.0004-0.0070 in.)
Turbo 0.027-0.176 mm (0.001-0.006 in.)