Operation CHARM: Car repair manuals for everyone.
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, Engine


NOTE: Pistons and rings are available in .010 inch, .020 inch and .040 inch oversize. Oversize piston pins are not available.

PISTON RING SIDE CLEARANCE
New Part .0008-.003 in. (.02-.08 mm)
Wear Limit .004 in. (.1 mm)

PISTON RING END GAP
New Part .010-.020 in. (.25-.5 mm)
Wear Limit .040 in. (1.0 mm)