Hastings Piston Ring Set - 4.125 1.2 1.2 3.0mm 351013 Old air flows out of

Old air flows out of the rear holes on the top of the helmet and from the bottom of the helmet significantly reducing the likelihood of CO2 buildup in the helmet

Kit includes: 22 ft

They feature a 9/16 hex head meaning you only need one wrench to tighten the stop and these retainers

1986-1998 GMC C2500

B&M® specializes in performance automatic transmissions

Hastings Piston Ring Set - 4.125 1.2 1.2 3.0mm 351013 Old air flows out ofProduct Description: Piston Rings Premium Ductile and Steel Series 4. 125 in Bore Drop In 1. 2 x 1. 2 x 3. 0 mm Thick Standard Tension Stainless Steel Gas Nitride 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.