#298-273 - Emphasizing longevity, Ultima® El Bruto® engines combine high quality components with affordable prices giving you the best value available. All castings are made from C355 aluminum, a common 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. Specifications - - Bore : 4.250” - Stroke : 4.500” - Piston : Forged Flat Top - Compression : 10.2:1 - Camshaft : 0.640” lift / 264 Duration - Valve Spring : Ultima® - Chrome Reed Valve Rocker Boxes - HO Billet Oil Pump - Chrome Tappet Blocks - Single-fire Ignition * NOT EPA COMPLIANT #201-35 - Ultima's Direct Drive RSD transmission offers you quality and value found only in Ultima products. Features Include: • Gears And Shaft Made From 8620 Steel For Durability. • Pro-cut Lead In Ramps For Positive Shifting. • Hardened Steel Shift Forks For Durability. • Roller Detent For Ultra Smooth Shifting. • Billet Trap Door. • Permanent Mold Transmission Case Machined From A356-t6. • Close Ratio 2.94 Low Gear Set. • .86 Overdrive 6th Gear. • Designed To Use Oem Style Speedometer Sensors. #58-941 - 2” Black Old School primary Belt Drive for Evo.
#298-273 - Emphasizing longevity, Ultima® El Bruto® engines combine high quality components with affordable prices giving you the best value available. All castings are made from C355 aluminum, a common 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. Specifications - - Bore : 4.250” - Stroke : 4.500” - Piston : Forged Flat Top - Compression : 10.2:1 - Camshaft : 0.640” lift / 264 Duration - Valve Spring : Ultima® - Chrome Reed Valve Rocker Boxes - HO Billet Oil Pump - Chrome Tappet Blocks - Single-fire Ignition * NOT EPA COMPLIANT #201-35 - Ultima's Direct Drive RSD transmission offers you quality and value found only in Ultima products. Features Include: • Gears And Shaft Made From 8620 Steel For Durability. • Pro-cut Lead In Ramps For Positive Shifting. • Hardened Steel Shift Forks For Durability. • Roller Detent For Ultra Smooth Shifting. • Billet Trap Door. • Permanent Mold Transmission Case Machined From A356-t6. • Close Ratio 2.94 Low Gear Set. • .86 Overdrive 6th Gear. • Designed To Use Oem Style Speedometer Sensors. #58-941 - 2” Black Old School primary Belt Drive for Evo.