El Bruto 107ci Complete Driveline Open Belt Primary 6 spd Transmission

Regular price $5,899.99 Save $-5,899.99

SKU: 101522

Collection: Drivetrain & Transmission

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El Bruto 107ci Complete Driveline Open Belt Primary 6 spd Transmission

Ultima is now offering the new El Bruto Series Engines. Their 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.

Case

Made In U.S.A. Cast-in steel inserts guaranteed not to move. Large bore breather for increased crankcase 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. Lightweight 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.

El Bruto 107ci Complete Driveline Open Belt Primary 6 spd Transmission features:

  • Bore: 4"
  • Stroke: 4.25"
  • Piston: forged
  • Compression: 10:1
  • Rated power: 115RW 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
  • Ultima R1 carburetor
  • Ultima 4" Bore 107 CI Engines & Long Blocks
  • Complete with MSO and
El Bruto 107ci Complete Driveline Open Belt Primary 6 spd Transmission