Ultima® 3.875 Bore 100 CI Engine
- Bore: 3.875”
- Stroke: 4.25”
- Piston: Forged
- Compression: 9.6:1
- Rated Power: 110 HP
- 110 LB FT Torque
- Camshaft: 248 Duration .625” lift
- Valve Spring: Ultima
- Billet Oil Pump
- Ignition included on assembled engines
Rated Power 100 C.I. / 110 HP with 110 LB FT Torque.
Not EPA Compliant.
Ultima® is now offering the new “El Bruto” Series Engines which are designed to provide our customers with a U.S.A. built High Performance engine that is priced to be the best value of any engines now on the market. Ultima’s commitment to engineering excellence and competitive pricing brought El Bruto® to life with a completely new designed set of castings emphasizing performance, reliability, and value.
True to their name, the 3.875 " bore 100 inch El Bruto® Engines are horsepower extrordinaires. They are the most powerful EVO configuration of these sizes. These brutes have features which insure long life and pure riding enjoyment for those who need ultimate performance.
All of the castings in these engines are based on all-new CAD designs cast from C355 aluminium, a common U.S. military alloy known for its stability over multiple heat cycles. The engine components are machined on state of the art CNC equipment for guaranteed dimensional accuracy and repeatability. All of our engines are dynamically balanced using proprietary methods to provide the smoothest running engines on the market and now with our new high flow cylinder heads these engines now can boast the most powerful engines on the market as well!! We think that you will agree these engines are the best value anywhere. 12 month warranty from date of purchase.
For Ultima® Evo Engine Installation Manual Click Here
For Ultima® Evo Engine Dimensions Click Here
Download Ultima® Evo Engine Dimensions Click Here
For Ultima® Engines Displacement Codes Click Here.
- SKU: 1
- MPN: 298-250
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