DeatschWerks 1/8th NPT 5psi Hobbs Switch with Pigtail | 4-HOBBS-5

The DeatschWerks 4-HOBBS-5 is a 5 PSI Hobbs pressure switch with an integrated pigtail, designed for boosted applications that require precise, pressure-triggered activation. Commonly used in turbocharged and supercharged setups, this switch allows you to automatically engage secondary fuel pumps, relays, or other accessories once the system reaches 5 PSI — ensuring proper fuel delivery and protecting the engine under high load.

Its compact, rugged construction and 1/8" NPT threaded fitting make it easy to integrate into fuel or boost pressure ports. With a 0.5A rating, it is ideal for low-current control circuits and staging logic in both street and motorsport environments.

✅ Key Features

• 5 PSI Hobbs pressure switch with static activation

• Includes pigtail wiring for quick and clean installation

• 1/8" NPT threaded fitting compatible with standard ports

• Designed for staged fuel systems and boost-based accessory triggers

• Compact, durable construction suited for performance and racing use

• 0.5A rated switch ideal for low-current activation circuits

🚗 Ideal Uses

• Triggering secondary fuel pumps

• Boost-based relay activation

• Staged fuel system control

• Turbocharged and supercharged builds

• Standalone accessory activation without ECU integration