Hastings 4.065"/103.25 mm Bore +.020" Over Size, 8-Cylinder Ring Set with 1.50 mm Top Ring, 1.50 mm Second Ring and a First Oil Ring is 2.50 mm.
This Hastings 8-Cylinder Ring Set has a top ring manufactured from steel with plasma moly ring surface treatment, a second ring manufactured from ductile iron with 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
2007-2014 Cadillac Escalade
2007-2013 Cadillac Escalade EXT
2010-2015 Chevrolet Camaro
2008-2014 Chevrolet Corvette
2009-2014 Chevrolet Silverado 1500
2014-2017 Chevrolet SS
2009 Chevrolet Tahoe
2007-2014 GMC Sierra 1500
2007-2014 GMC Yukon
2007-2014 GMC Yukon XL 1500
2008-2009 Hummer H2
2009 Pontiac G8
Attributes
1st Oil Groove 2.50
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 1.50
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2M5292.020
California Proposition 65 No
Engborein 4.065
Engboremetric 103.25
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 1.50
Top Ring Surface Treatment PLASMA MOLY
GTIN 00075538221401