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A Barrel-Chested Brute of an Engine to POWER your Bike

El Bruto™   Series 120 ci  4.25" bore Long Blocks
El Bruto™   Series 127 ci  4.25" bore Long Blocks

Ultima is now offering the new " El Bruto" series engines which are designed to provide our customers with a USA built High Performance engine that was priced to be the best value of any engines now on the market. Midwest’s commitment engineering excellence and competitive pricing brought El Bruto to life with a completely new design set of castings emphasizing performance, reliability, and value.

All of the castings in these Engines are poured in US foundries and are based on all new CAD designs cast from C355 Aluminum a common US 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.

127Ci

Bore: 4.25"
Stroke: 4.5"
Piston: Forged
Compression: 10.2:1
Rated Power: 140RW Horsepower
140 LB FT Torque
Camshaft: 264 Duration .625" Lift
Pushrods: Crane
Valve Spring: Ultima
Chrome Nose Cone/Rocker Boxes
Billet Oil Pump
Chrome Tappet blocks

Cases

Crankshaft

Our New state of the art designed crankshaft incorporates a massive 1.670 diameter pin that is pressed into the one piece, heat treated, 4140 steel flywheel half making these crankshafts some of the strongest available on the market today. These crankshafts feature all new 7.7" long H-Beam rods with .927 diameter wrist pins to handle all the power you can throw at them. These are also balanced using our exclusive methods making these some of the smoothest engines in the industry.

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120 CI Long Block Assembled

298-275 Long Block 120 CI Natural Finish

298-276 Long Block 120 CI Black Finish

298-277 Long Block 120 CI Polish Finish

120 CI Long Block Unassembled

298-278 Long Block 120 CI Natural Finish

298-279 Long Block 120 CI Black Finish

298-280 Long Block 120 CI Polish Finish

127 CI Long Block Assembled

298-281 Long Block 127 CI Natural Finish

298-282 Long Block 127 CI Black Finish

298-283 Long Block 127 CI Polish Finish

127 CI Long Block Unassembled

298-284 Long Block 127 CI Natural Finish

298-285 Long Block 127 CI Black Finish

298-286 Long Block 127 CI Polish Finish

Styled Machining & Clean Custom Looks
That are backed up by
Smooth Powerful Performance