Ultima Natural El Bruto 140c.i Complete Performance Evo Engine For Harley/custom on 2040-parts.com

BORE: 4.400”

STROKE: 4.625”

PISTON: FORGED FLAT TOP

COMPRESSION: 10.8:1

CAMSHAFT: 0.640” LIFT/268 DURATION

VALVE SPRING: ULTIMA

CHROME READ VALVE ROCKER BOXES

HO BILLET OIL PUMP

CHROME TAPPET BLOCKS

SINGLE FIRE IGNITION

48MM MIKUNI CARB.

COMPRESSION RELEASE VALVES

RATED OUTPUT:  165HP WITH 170 LB FT TORQUE

El Bruto® Competition Series
Ultima Long Rod 140 CI  Engines
Ultima has put together our first High Output Engine packages for the most demanding performance enthusiast. All Engines feature our heavy duty C355 Castings and Dynamic Balanced Press Pin Crank Shafts. This is a difficult engine to describe the performance level to anyone who hasn’t had it and this is the correct answer for the customer who demands the highest performance availible. These Engines are available in both Assemble Complete and Unassembled Long blocks.
Things you must know
You must have a frame that can accept an engine 5/8” taller than a stock Evo.
You must have heavy-duty drive train components.
Limited warranty.
Rated Power: is based on using a very large bore Carb such as the 48mm Mikuni or S&S D series and Hooker Step Tuned  Short Staggered Dual Ex. Other Combinations will change the power level attainable
Case
Made In U.S.A. Cast-in steel inserts 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. Close machining tolerances. Made from prime C355-T6 aluminum that is superior in strength to A356. Styling and cosmetic machining for a custom look.
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 8.0” 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 liners will not move. . All fins are machined for an excellent cosmetic appearance.
Cylinder Head
C355-T6 Casting. All fins are machined for excellent cosmetic appearance. Twin Cam Styling means 30% more fin than most Evolution® style heads for cooler running. Compression release valves. 2.300 stainless intake valves, 1.800 stainless exhaust valves. CNC ported.  Manganese Bronze guides. High silicon wire valve spring with chromoly retainer.

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