Piston Ring, Engine
Piston RingsPiston Ring End Gap
First Compression Ring 0.150-0.300 mm 0.0059-0.0118 in
Second Compression Ring 0.280-0.480 mm 0.0110-0.0189 in
Oil Control Ring 0.150-0.600 mm 0.0059-0.0236 in
Piston Ring to Groove Clearance
First Compression Ring 0.030-0.065 mm 0.0012-0.0026 in
Second Compression Ring 0.015-0.060 mm 0.0006-0.0024 in
Oil Control Ring 0.030-0.170 mm 0.0012-0.0067 in
Piston Ring Thickness
First Compression Ring 1.175-1.190 mm 0.0463-0.0469 in
Second Compression Ring 1.470-1.495 mm 0.0579-0.0589 in
Oil Control Ring 2.360-2.480 mm 0.0929-0.0976 in