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

Piston Ring End Gap	Compression Rings Top	0.012 - 0.022
	Compressio Rings Second	0.022 - 0.031
	Oil Control Steel Rails	0.015 - 0.055
Ring Side Clearance	Compresion Rings	0.0016 - 0.0033
	Oil Ring (Steel Rails)	0.002 - 0.008
Ring Width	Compression Rings	0.060 - 0.061
	Oil Ring (Steel Rails)	0.018 - 0.019