Hastings 3.917"/99.50 mm Bore +.040" Over Size, 4-Cylinder Ring Set with 1.20 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 2.50 mm.
This Hastings 4-Cylinder Ring Set has a top ring manufactured from steel with chrome ring surface treatment and second ring manufactured from grey iron with a phosphate ring surface treatment. The 1st oil control ring is manufactured of steel rail/stainless expansion with a chrome rail ring surface treatment.

Application Summary:

Year Make/Model
2004 Subaru Baja
1999 Subaru Forester
2001-2003 Subaru Forester
2010-2011 Subaru Forester
2007-2008 Subaru Impreza
2000 Subaru Legacy
2005 Subaru Legacy
2000 Subaru Outback
2006 Subaru Outback
2009 Subaru Outback
2012 Subaru Outback
Attributes
1st Oil Groove 2.50
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 1.20
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2C5140.040
California Proposition 65 No
Engborein 3.917
Engboremetric 99.50
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 1.20
Top Ring Surface Treatment CHROME
GTIN 00075538003236