Designed for Racing, Track-Proven
Max Speed 6,000 rpm and 300 Bar
For the most demanding applications, Stanadyne’s single-pump SP850-300R solution dominates dual-pump direct injection strategies to meet the intense performance requirements of the most elite racing series engines. With the winning combination of Stanadyne patented technology and precision engineering expertise, this pump offers a championship-winning competitive edge.
Numerous Engine Applications
Versatile features enable this pump to be used on and off the track for engines up to 600 HP and small displacement V6 engines.
Efficient Performance
Next-generation pumping architecture enables unmatched power and precise fuel delivery at a maximum pump speed of 6,000 RPM.
Flexible Design
Highly-customizable features enable simplified integration with most engines and flex fuel compatibility.
Unique Features
Dual-Spring Design
- Separates tappet and plunger spring loads to reduce spring induced plunger side loading.
- Allows use of high mass tappets at high engine speeds.
- Eliminates tappet to cam separation during engine over speed conditions
Patented Floating Plunger Sleeve Mount & Plunger
- Minimizes plunger to bore clearance for better engine start times and class-leading low speed efficiency.
- Eliminates plunger bore distortion due to mounting loads.
- Minimizes debris generation.
- Excellent high-speed seizure resistance.
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Design & Specifications
Horsepower Capacity
Bar Pressure
Engine Speed
FEATURE |
SPECIFICATION |
|---|---|
| Pump Description | Single plunger GDI pump, electronic demand controlled |
| Discharge Pressure | 300 Bar max |
| Inlet Pressure | 3 – 6 Bar |
| Max Speed (@ Full Function) | 850 mm3/rev @ 6,000 prpm and 300 Bar |
| Pressure Relief Valve | In Pump |
| Flow Control | Electronic, normally open |
| Driver | 12 Amps peak, 4 Amps hold PWN |
| Cam | 2 Lobes |
| Tappet | Suggest Ina 32 mm OD roller tappet (16 mm roller) |
| Cam Lift | 5.0 mm max |
| Max Speed | 12,000 strokes/minute full function |
| Inlet Connector Options | Quick connect, Threaded with 60° Cone, special |
| Discharge Connector Options | Threaded with 60° Cone, special |
| Fuel Compatibility | Gasoline, E10-E85, M15 |
| Pump Mass | 1170g |
| Environmental Temps. | -40 – +125° C |