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

Valve Spring

Valve Springs	Free Length	1.591 Inch (in)
	Force required to compress (Valve Closed)	53 at 1.19 Pound Force At Inch (lbf @ in)
	Force required to compress (Valve Open)	109 at 0.854 Pound Force At Inch (lbf @ in)
	Installed Height	1.19 Inch (in)