Hastings 3.587"/91.10 mm Standard Bore, 4-Cylinder Ring Set with 2.50 mm Top Ring, 2.00 mm Second Ring and a First Oil Ring is 4.00 mm.
This Hastings 4-Cylinder Ring Set has a top ring manufactured from grey iron with triple chrome ring surface treatment, a second ring manufactured from grey iron with triple chrome ring surface treatment. The 1st oil control ring is manufactured of ductile iron with a chrome ring surface treatment.

Application Summary:

Year Make/Model
2006-2010 Dodge H100
2010-2013 Dodge H100 Van
Attributes
1st Oil Groove 4.00
1st Oil Ring Material DUCTILE IRON
1st Oil Ring Surface Treatment CHROME
2nd Groove 2.00
2nd Ring Surface Treatment TRIPLE CHROME
Alternate Part Number 2D5666
California Proposition 65 No
Engborein 3.587
Engboremetric 91.10
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 2.50
Top Ring Surface Treatment TRIPLE CHROME
GTIN 00075538184515