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
If it fails: lemon-manuals.org.ua

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Valve Springs

Free Length [13]
Pressure [14]
Out Of Square Limit [12]

[12] -- California: intake, 0.063 inch; exhaust, 0.059 inch. Federal: intake & exhaust, 0.060 inch.
[13] -- California: intake, 1.816 inch; exhaust, 1.687 inch. Federal: intake & exhaust, 1.719 inch.
[14] -- California: intake, 46 - 52 Lbs. @ 1.535 inch; exhaust, 30 - 34 Lbs. @ 1.496 inch. Federal: intake & exhaust, 50 - 57 Lbs. @ 1.398 inch.