Cummins N14 Celect Plus "Red Top" Cylinder Heads rolling through the shop on 9/12 for a customer out of Unionville, CT. All 3 heads cleaned in ONE .003" pass...crazy Two of the heads were OE Cummins and One was a replacement, all had smoked valve guides and worn components. All New SBI Valve Train Components including: 12 - Intake Valves 12 - Exhaust Valves 24 - Valve Guides 24 - Valve Springs 24 - Valve Steam Seals 48 - Valve Keepers 6 - Injector Tubes & O-Rings Thank You SB International, Inc.