Ultima 298-250 El Bruto 100ci Evolution-Style Engine Natural Finish
Demon’s Part # 101684 Mfg. Part # 298-250
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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