Piston Ring: Specifications

END GAP
Top Compression 0.25 - 0.51 mm (0.0098 - 0.020 inch)
2nd Compression 0.23 - 0.48 mm (0.0090 - 0.018 inch)
Oil Control (Steel Rails) 0.25 - 0.64 mm (0.0098 - 0.025 inch)

SIDE CLEARANCE
Top Compression 0.30 - 0.080 mm (0.0011 - 0.0031 inch)
2nd Compression 0.30 - 0.080 mm (0.0011 - 0.0031 inch)
Oil Ring (Pack) 0.012 - 0.178 mm (0.0004 - 0.0070 inch)

WIDTH
Compression Rings 1.47 - 1.50 mm (0.057 - 0.059 inch)
Oil Ring (Pack) 2.72 - 2.88 mm (0.1070 - 0.1133 inch)