Wiseco 4.072" Bore Piston Rings File Fit 0.047 x 0.047 x 3.0 mm Thick Standard Tension - Gas Nitride 2010154 With double adjustable

With double adjustable

252 in Thick

and they've been manufacturing long and MID-LENGTH tube headers for Pontiac models for decades

2010-2016 GMC Savana 4500

Wiseco 4.072" Bore Piston Rings File Fit 0.047 x 0.047 x 3.0 mm Thick Standard Tension - Gas Nitride 2010154 With double adjustableProduct Description: Piston Rings GF Style 4. 070 in Bore File Fit 0. 047 in x 0. 047 in x 3. 0 mm Thick Standard Tension Steel Gas Nitride 1 Cylinder Sold Individually Wiseco produces pistons and piston rings for a number of engine applications from classic V8s to sport compacts. Wiseco pistons are available as complete kits or as individual components, including related parts such as wrist pins, connecting rods, and more. Wiseco is unique among