ST4-917 TRANSVERSE
Specially designed for rallycross, the ST4-917, an alternative to traditional longitudinal gearboxes, opens new possibilities for Supercar design. The ST4-917 adapts to the most powerful engines and offers a revolutionary cost/performance/weight ratio.
TECHNICAL SPECS
- 6 speed sequential gearbox + 1 reverse gear
- Manual sequential gear selection
- Front to rear bevel gear ratio : 26x22
- Final drive ratio : 25x39
- Epicyclic geartrain ratio : 2,778
- The bevel gear is cut and grinded in house on our CNC units
- Wide range of ratios available
- Straight cut gears
- Dog ring gear engagement
- Interchangeable gear ratios
- High strength carburizing steel
- Gear teeth grinded with optimized profile
- Shot peening on internal parts
- Specific input shaft
- Low friction limited slip differential
- Ramp and plate system - 3 discs type
- External preload adjustment
- Wide range of ramp plates available
- Reverse lockout cable or option of solenoïd
- Directed and pressurised lubrication on the gears and bevel gear
- Oil suction screen
- Magnetic drain plugs
- Weight (input shaft included) : 59 kg - 130 lbs
Accessories
- Bell housing
- Starter crownwheel
- Drive shafts
- Propshaft
Applications
- Circuit
- Hill Climb
- Rally
- Rallycross
- Drift
Engine torque 1000 N.m
