127" Ultima Engine with Polished Case
Complete Ultima 127" Engine
Ultima offers the “El Bruto” series engine to provide customers with a U.S.A. built, high performance engine that's priced to be the best value of any engine in today's market. Ultima’s commitment to engineering excellence and competitive pricing. Has brought the "El Bruto" to life with C355 aluminum castings designed to emphasize performance, reliability, and value! Ultima engines are manufactured using state-of-the-art equipment, delivering an unmatched level of dimensional accuracy and production consistency. The proprietary methods used for dynamically balancing every engine produced. Continue to make Ultima engines some of the smoothest running engines in the industry. Topped with high flow cylinder heads. The El Bruto series of engines are now considered to be some of the most powerful aftermarket motorcycle engines currently in production. It's because of the attention to detail and overall quality of the product. That Ultima engines continue to be the best value, dollar-for-dollar, of any engines on the market. Ask us about drive-train packages and special pricing on all Ultima engines!
- Bore = 4.25”
- Stroke = 4.5”
- Piston type = forged
- Compression = 10.2:1
- Rated Power = 140 HP
- Foot-Pounds or torque = 140
- Camshaft = .640” Lift
- Push Rods = Crane
- Valve springs = Ultima brand
Made In U.S.A. Cast-in steel inserts are guaranteed not to move. Large bore breather for increased crank case vacuum and less blow-by. 1/2” Alignment dowels for true line bore. Counterbored stainless allen head case bolts. Made from prime C355-T6 aluminum. Cosmetically machined for a truly custom look.
Forged 4140 Steel. Dynamic balanced for the smoothest running engines in the industry. Features 7.7” long H-Beam rods with .927 diameter wrist pins for added strength.
C355 Casting. Cast-in liners will not move. All fins are machined for an excellent cosmetic appearance.
Cylinder Head Details:
C355-T6 Casting. All fins are machined for excellent cosmetic appearance. Twin Cam Styling. 30 % More fin area than Evolution® style heads for cooler running. Factory installed compression release valves. 2.100 Stainless Int. Valves. 1.700 Stainless Ex. Valves. Manganese Bronze guides. High Silicon Wire Valve Spring with Chromoly Retainer.
- Chrome Nose Cone and Rocker Boxes
- Billet Oil Pump
- Chrome Tappet Blocks
- Ignition module included.
- 6 month warranty from date of purchase.
- Harley Davidson Touring, Softail, FXR and Dyna models from 1984-99
- Most custom applications
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