Ultima®
El Bruto Engines Big
Inches
Economy
backed by Racing Technology
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. . . . . . . ® . . . . . . . A Barrel-Chested Brute of an Engine to POWER your Bike
El Bruto™ Series 120 ci 4.25" bore Engines
Heavy Duty 3-Piece Press Pin Type Crank 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 Aluminium a common US Military alloy known for its stability over multiple heat cycles. The engine components are machined on state of the art CNC equiptment for guaranteed dimensional accuracy and repeatability. All of our engines are dynamically balanced using propritory 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. Product Specifications/ Highlights 120 Ci Bore: 4.25" Stroke: 4.25" Piston: Forged Compression: 9.8:1 Rated Power: 130 RW Horsepower 135LBFT Torque Camshaft: 252Duration 625lift Pushrods: Crane Valve Spring: Ultima Chrome Nose Cone/Rocker Boxes Billet Oil Pump Chrome Tappet Blocks Cases See description here >> 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. Cylinder C355-T6 Casting Cast in heavy wall liners will not move Liners are Centrifugly Cast with Graphite impregnated Nickle for high durability All Fins are machined for an excellent cosmetic appreance Cylinder Head C355-T6 Casting All fins are machined for excellent cosmetic appearance Twin Cam Styling means 30 % More fin than most Evo style heads for cooler running Compression release valves 2.100 Stainless Int Valves 1.700 Stainless Ex Valves Manganeze Bronze guides High Silicon WireValve Spring w/ Chromoly Retainer
Styled
Machining & Clean Custom Looks | ||||||
