Hastings 3.9375" Standard Bore, Single Cylinder Ring Set with 3/32" Top Ring, 5/64" Second Ring and a First Oil Ring is 3/16".

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This Hastings Single Cylinder Ring Set has a top ring manufactured from grey iron with phosphate ring surface treatment, a second ring manufactured from grey 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.

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Application Summary:

Year	Make/Model
2002-2006	Chevrolet Avalanche 2500
2001-2002	Chevrolet Express 3500
2001-2006	Chevrolet Silverado 3500
2007	Chevrolet Silverado 3500 Classic
2001-2006	Chevrolet Suburban 2500
2001-2002	GMC Savana 3500
2001-2006	GMC Sierra 3500
2007	GMC Sierra 3500 Classic
2001-2006	GMC Yukon XL 2500