Piston Rings

DESCRIPTION	SPECIFICATIONS
DESCRIPTION	Metric	Standard
Ring Gap-Top Compression Ring	0.20-0.36 mm	0.008-0.014 in.
Ring Gap - 2nd Compression Ring (Micro - Napier)	0.20-0.40 mm	0.0078-0.0157 in.
Ring Gap-Oil Control (Steel Rails)	0.25-0.76 mm	0.010-0.030 in.

>>DESCRIPTION<<	>>SPECIFICATION<<
>>DESCRIPTION<<	>>Metric<<	>>Standard<<
>>Ring End Gap<<
Top Compression Ring	0.18-0.38 mm	0.007-0.015 in.
Second Compression Ring	0.28-0.57 mm	0.011-0.022 in.
Oil Control (Steel Rails)	0.23-0.78 mm	0.009-0.030 in.
Wear Limit-Compression Rings	1.0 mm	0.039 in.
Wear Limit-Oil Control Steel Rails	1.88 mm	0.074 in.
>>Ring Side Clearance<<
Top Compression Ring 3.8L	0.030-0.069 mm	0.0012-0.0027 in.
Second Compression Ring 3.8L	0.041-0.085 mm	0.0016-0.0033 in.
Oil Ring (Steel Ring)	0.039-0.200 mm	0.0015-0.0078 in.
Wear Limit- Top Ring	0.10 mm	0.004 in.
Wear Limit - 2nd Ring	0.13 mm	0.005
Wear Limit Oil Ring Pack	0.266 mm	0.009
Ring Width-Top Compression Ring 3.8L	1.175-1.190 mm	0.0462-0.0468
Ring Width - 2nd Compression Ring 3.8L	1.46-1.49 mm	0.0575-0.058 in.
Ring Width-Oil Ring (Steel Rails) 3.8L	0.435-0.510 mm	0.017-0.020

Description	Specification
Description	Metric	Standard
Ring Gap - Number 1 Ring (Top)	0.25 - 0.40 mm	0.010 - 0.016 in.
Ring Gap - Number 2 Ring (Center)	0.30 - 0.45 mm	0.012 - 0.018 in.
Ring Gap - Oil Control Ring (Steel Rails)	0.15 - 0.66 mm	0.006 - 0.026 in.