Operation CHARM: Car repair manuals for everyone.
Home >> Jeep >> 1990 >> Wrangler L6-258 4.2L VIN T 2-bbl >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve Seat
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 Seat

Seat Angle Intake 30 Degrees (deg)
Exhaust 44 Degrees (deg)
Seat Width Intake 0.040-0.060 Inch (in)
Exhaust 0.040-0.060 Inch (in)
Run Out 0.0025 Inch (in)
pro multis · About Operation CHARM