Ultima El Bruto 100ci Evolution-Style Engine Natural Finish

Ultima El Bruto 100ci Evolution-Style Engine Natural Finish

Ultima is now offering the new "El Bruto" series of engines which are designed to provide our customers with an American built high-performance engine priced to be the best value. The El Bruto Series 100ci 3.875" bore engine is factory assembled and features heavy-duty C355 casting and dynamic balanced press pin crankshafts. Features a large bore breather for increased crankcase vacuum and less blow-by, alignment dowels for true line bore, prime C355-T6 aluminum casing, and machined fins for an excellent cosmetic appearance. It comes complete with carburetor, ignition MSO, and warranty.

Ultima El Bruto 100ci Evolution-Style Engine Natural Finish features:

• 100 C.I./110 HP rated power with 110 lb/ft torque
• 3.875 bore
• 4.25 stroke
• Forged pistons
• 9.6:1 compression ratio
• 110RW HP rated power
• 110 lb/ft torque
• 248 camshaft with a duration of .625 lift
• Ultima valve spring
• Chrome nose cone / rocker boxes
• Billet oil pump
• Chrome tappet blocks
• Ignition included on assembled engines
• Mikuni 45mm HSR series carburetor