Steel Top/Napier 2nd Ring Set for Gen 5 LT1 4.070" Pistons

Piston Rings, 4.070 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set

Overview: 

Mahle Motorsports offers a variety of file fit piston rings which allow you to control the ring end gap. Rings are typically oversized so they can be custom fit for the cylinder. The file fit piston ring sets are available via finished bore size, and include top ring, second ring, and oil rings for the cylinder application.