Description
Snow Performance 25-50 PSI Boost Activated Switch
Precision Hobbs-style pressure switch preset to 35 PSI with an adjustable 25 to 50 PSI range, designed for accurate water-methanol activation in high-boost applications.
Product Overview
Engineered by Snow Performance for high-boost turbocharged and supercharged engines, the SNO-81081 is a heavy-duty Hobbs-style boost activated switch. Factory preset to activate at 35 PSI, this pressure switch offers full adjustment between 25 and 50 PSI, providing custom trigger points for water-methanol injection pumps, secondary fuel pumps, or auxiliary solenoid valves.
Featuring a standard 1/8″ NPT brass fitting for seamless installation into intake manifolds or boost lines, the SNO-81081 delivers reliable electrical contact under severe vibration and high-boost competition conditions. Available from JP Racing with fast UK delivery and expert technical support.
Key Features
- ☑ Adjustable Boost Range: Fine-tune activation threshold from 25 to 50 PSI.
- ☑ Factory Preset: Calibrated from the factory at a 35 PSI trigger point.
- ☑ Standard Fitting: 1/8″ NPT male thread for universal manifold integration.
- ☑ Heavy-Duty Contacts: Designed for high-current relays and harsh motorsport environments.
- ☑ Universal Compatibility: Works with water-methanol kits, secondary fuel pumps, and solenoids.
Technical Specifications
| Brand | Snow Performance |
|---|---|
| Manufacturer Part Number | SNO-81081 |
| Switch Type | Hobbs-Style Pressure Switch |
| Pressure Trigger Range | 25 to 50 PSI (Adjustable) |
| Factory Preset Trigger | 35 PSI |
| Thread Fitting | 1/8″ NPT Male |
| Electrical Terminals | Dual brass spade terminals |
What’s Included in the Box
- 1 x Snow Performance SNO-81081 25-50 PSI Boost Activated Switch
- Terminal connection hardware
As an authorized stockist for Snow Performance and Nitrous Express products, JP Racing delivers genuine, race-grade water-methanol components backed by dedicated UK motorsport expertise and rapid nationwide shipping.




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