Hastings 3.445"/87.50 mm Standard Bore, 4-Cylinder Ring Set with 1.20 mm Top Ring, 1.20 mm Second Ring and a First Oil Ring is 2.50 mm.
This Hastings 4-Cylinder Ring Set has a top ring manufactured from stainless steel with nitrided ring surface treatment, a second ring manufactured from grey iron with phosphate ring surface treatment. The 1st oil control ring is manufactured of stainless steel rail/stainless expansion with a nitrided ring surface treatment.

Application Summary:

Year Make/Model
2013-2016 Ford C-Max
2012-2014 Ford Edge
2013-2014 Ford Escape
2012-2014 Ford Explorer
2005-2016 Ford Focus
2013-2016 Ford Fusion
2013-2014 Ford Taurus
2010-2013 Ford Transit Connect
2014 Lincoln MKT
2013-2016 Lincoln MKZ
2004-2010 Mazda 3
2003-2008 Mazda 6
Attributes
1st Oil Groove 2.50
1st Oil Ring Material SS RAIL/SS EXPANDER
2nd Groove 1.20
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2N5158
California Proposition 65 No
Engborein 3.445
Engboremetric 87.50
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 1.20
GTIN 00075538157366