Engine features: 2-valve cylinder head, D.W.-V.S. Governor and SAE# 1 Bell house. Engine configuration from flywheel: Blower, governor, starter and oil cooler on right. Exhaust manifold on left with right hand rotation. Alternator housing is cracked. Test ran 7-31-19: Good runner with 25-50 psi oil pressure. Sweet runner!! Starts and runs great. No smoke or blow-by. See it run on video!!