107 and 113 CI Engine

Ultima 4.00 Bore 107 Engine	Ultima 4.00 Bore 113 Engine
Bore: 4.000” Stroke: 4.25” Piston: Forged Compression: 10:1 Rated Power: 115 HP 120 LB FT Torque Camshaft: 248 Duration .625” lift Valve Spring: Ultima Chrome Nose Cone / Rocker Boxes Billet Oil Pump Chrome Tappet Blocks Ignition included on assembled engines.	Bore: 4.000” Stroke: 4.5” Piston: Forged Compression: 10.2:1 Rated Power: 120 HP 120 LB FT Torque Camshaft: .640” Lift Valve Spring: Ultima Chrome Nose Cone / Rocker Boxes Billet Oil Pump Chrome Tappet Blocks Ignition included on assembled engines.
El Bruto® Series Ultima 4.00 Bore 107 and 113 CI Engines & Long Blocks 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. All of the castings in these engines are based on all-new CAD designs cast from C355 aluminum, 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. 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 Forged 4140 Steel. Dynamic balanced for the smoothest running engines in the industry. Light weight 7.44” high-performance H-beam rods w/.792” fins. Jims Machining shafts and pins. Cylinder C355 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. 30 % More fin area than Evolution® style heads for cooler running. 2.100 Stainless Int. Valves. 1.700 Stainless Ex. Valves. Manganese Bronze guides. High Silicon Wire Valve Spring with Chromoly Retainer.
107 CI Complete Engine Assembled 298-230 Complete 107CI Engine, Natural. 298-231 Complete 107CI Engine, Black. 298-232 Complete 107CI Engine, Polished. 107 CI Complete Engine Unassembled 298-230U Complete 107CI Engine, Natural. 298-231U Complete 107CI Engine, Black. 298-232U Complete 107CI Engine, Polished 107 CI Long Block Unassembled 298-233 107CI Long Block, Natural. 298-234 107CI Long Block, Black. 298-235 107CI Long Block, Polished.	113 CI Complete Engine 298-253 Complete 113CI Engine, Natural. 298-254 Complete 113CI Engine, Black. 298-255 Complete 113CI Engine, Polished. 113 CI Complete Engine Unassembled 298-253U Complete 113CI Engine, Natural. 298-254U Complete 113CI Engine, Black. 298-255U Complete 113CI Engine, Polished. 113 CI Long Block Unassembled 298-269 113CI Long Block, Natural. 298-270 113CI Long Block, Black. 298-271 113CI Long Block, Polished.