NPR American V8 Engine Ring Series Piston Ring Set - 4.000 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 1761012 2007-2019 GMC Savana 3500 LWILK5000K Size:Large (17") see 450600 R03P003L

2007-2019 GMC Savana 3500

These cylinder heads feature an extra thick deck and extra material in the spring pockets for a heavy-duty casting that can be used with high-lift cam and heavy spring combinations

Spring Cup

300" Gasket Bore

Chevrolet: Silverado 2500 99 - 04 6 L Engine

NPR American V8 Engine Ring Series Piston Ring Set 4.000 in Bore 1.2 x 1.2 x 3.0 mm Thick Standard Tension Nitride 8 Cylinder 1761012 2007 2019 GMC Savana 3500 LWILK5000K Size:Large (17") see 450600 R03P003L 2007 2019 GMC Savana 3500 These cylinder heads feature an extra thick deck and extra material in the spring pockets for a heavy duty casting that can be used with high lift cam and heavy spring combinations