Ultima El Bruto 113ci Evolution-Style Engine for Harley-Davidson Natural Finish
Demon’s Part # 101687 Mfg. Part # 298-253
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Ultima El Bruto 113ci Evolution-Style Engine for Harley-Davidson Natural Finish
Ultima’s El Bruto Series113ci 4" bore Engine is a high-performance, American-built engine that emphasizes performance, reliability, and value. This factory-assembled engine is cast from C355 Aluminum: a common US military alloy known for its stability over multiple heat cycles. Featuring a relocated accelerator pump nozzle for increased throttle response and bolt-on thunder jets. The carburetor is directly interchangeable with S&S Super G Carburetors. Ultima carburetors will accept S&S jets and S&S bolt pattern air filter assemblies. Comes with carburetor ignition, MSO, and warranty.
Ultima El Bruto 113ci Evolution-Style Engine for Harley-Davidson Natural Finish features:
- 4” bore
- 4.5" stroke
- Mahle forged pistons
- 10.2:1 compression ratio
- 120 RW HP rated power
- 120 lb/ft torque
- Chrome nose cone/rocker boxes
- Billet oil pump/tappet blocks
- Ultima R1 carburetor
- All fins are machined for excellent cosmetic appearance
- Twin cam styling
- 30% more fin than most Evo style heads for cooler running