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 - Standard Engine	Free Length (Approx.)	1.84 inch
	Nominal Force (Valve Closed)	70 lbs. @ 1.57 inch
	Nominal Force (Valve Open)	160 lbs. @ 1.28 inch
	Installed Heigh	1.580 inch
Valve Springs - High Output R/T Engine	Free Length (Approx.)	2.13 inch
	Nominal Force (Valve Closed)	72 lbs. @ 1.57 inch
	Nominal Force (Valve Open)	167 lbs. @ 1.28 inch
	Installed Height	1.580 inch