Good used, cleaned and inspected Detroit 6-71N flywheel housing. Part number: 5144661.

Good running Detriot 6-71N engine assembly. No air. Tmu. 45 PSI oil pressure. Pulled Valve Covers and Adjusted the Injector Lash. Ran the Rack. Blower on Right side of motor. Exhaust manifold on Left side of motor. Powerbase application, right hand rotation. 4 valve. 120 Day guarantee.

Good Running Detroit 6-71N engine assembly with air. Tmu. Model# 1067-8517. 50 PSI oil pressure. Blower on RH side. Exhaust on RH side. Vehicle application, right hand rotation, 4 valve head. 120 Day guarantee.

Good running Detroit 6-71N engine assembly with air. Tmu. Model# 1067-8517. 40 PSI oil pressure. Blower on RH side. Exhaust on RH side. Vehicle application, right hand rotation, 4 valve head.120 Day guarantee.