Piston Ring: Specifications

Piston Rings
Compression Ring End Gap - LQ4 Production - Top Measured in Cylinder Bore 0.31-0.52 mm (0.0122-0.02 in)
Compression Ring End Gap - LQ4 Production - 2nd Measured in Cylinder Bore 0.51-0.77 mm (0.02-0.03 in)
Piston Oil Ring End Gap - LQ4 Production Measured in Cylinder Bore 0.31-0.87 mm (0.0122-0.034 inch)
Compression Ring End Gap - LQ4 Service - Top Measured in Cylinder Bore 0.31-0.59 mm (0.0122-0.023 inch)
Compression Ring End Gap - LQ4 Service - 2nd Measured in Cylinder Bore 0.51-0.84 mm (0.02-0.033 inch)
Oil Ring End Gap - LQ4 Service Measured in Cylinder Bore 0.31-0.94 mm (0.0122-0.037 inch)
Compression Ring End Gap - LQ9 Production - Top Measured in Cylinder Bore 0.31-0.52 mm (0.0122-0.020 inch)
Compression Ring End Gap - LQ9 Production - 2nd Measured in Cylinder Bore 0.51-0.77 mm (0.020-0.030 inch)
Oil Ring End Gap - LQ9 Production Measured in Cylinder Bore 0.31-0.87 mm (0.0122-0.034 inch)
Compression Ring End Gap - LQ9 Service - Top Measured in Cylinder Bore 0.31-0.59 mm (0.0122-0.023 inch)
Compression Ring End Gap - LQ9 Service - 2nd Measured in Cylinder Bore 0.51-0.84 mm (0.020-0.033 inch)
Oil Ring End Gap - LQ9 Service Measured in Cylinder Bore 0.31-0.94 mm (0.0122-0.037 inch)
Compression Ring Groove Clearance - LQ4 Production - Top 0.04-0.08 mm (0.00157-0.0031 inch)
Compression Ring Groove Clearance - LQ4 Production - 2nd 0.039-0.079 mm (0.0015-0.0031 inch)
Oil Ring Groove Clearance - LQ4 Production 0.015-0.2 mm (0.0006-0.0079 inch)
Compression Ring Groove Clearance - LQ4 Service - Top 0.04-0.08 mm (0.00157-0.0031 inch)
Compression Ring Groove Clearance - LQ4 Service - 2nd 0.039-0.079 mm (0.0015-0.0031 inch)
Oil Ring Groove Clearance - LQ4 Service 0.015-0.2 mm (0.0006-0.0079 inch)
Compression Ring Groove Clearance - LQ9 Production - Top 0.035-0.080 mm (0.0014-0.0031 inch)
Compression Ring Groove Clearance - LQ9 Production - 2nd 0.034-0.079 mm (0.0013-0.0030 inch)
Oil Ring Groove Clearance - LQ9 Production 0.012-0.20 mm (0.00047-0.00078 inch)
Compression Ring Groove Clearance - LQ9 Service - Top 0.03-0.080 mm (0.0014-0.0031 inch)
Compression Ring Groove Clearance - LQ9 Service - 2nd 0.034-0.079 mm (0.0013-0.0030 in.)
Oil Ring Groove Clearance - LQ9 Service 0.012-0.20 mm (0.00047-0.0078 inch)