Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Piston Ring: Specifications

Side Clearance	Groove 1	0.050-0.082 Millimeter (mm)
	Groove 2	0.040-0.072 Millimeter (mm)
	Groove 3	0.023-0.137 Millimeter (mm)
End Gap	Groove 1	0.20-0.45 Millimeter (mm)
	Groove 2	0.20-0.45 Millimeter (mm)
	Groove 3	0.38-1.40 Millimeter (mm)