
AutoMeter · Clearance
Autometer Spek-Pro Gauge Boost 2 1/16in 100psi Stepper Motor W/Peak & Warn Slvr/Chrm
MPN P30521 · Store SKU atmP30521
Supplier stock checked 11/7/2026, 10:28:21 AM UTC. Adding a part does not reserve it.
Clearance and scratch-and-dent parts are final sale. No returns or refunds.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Forced induction applications require precise monitoring of the boost pressure being created by your turbo or supercharger to get the most power safely from your engine. AutoMeter’s Digital Stepper Motor Boost Gauge provides the most accurate reading available, unparalleled response time and smooth needle movement. Designed for diesel or extreme boost applications, these gauges include a highly advanced 1/8” NPT Pressure Transducer and wiring harness for ease of installation. Data Logging is also possible thanks to an analog .5 - 4.5v output. GAUGE, BOOST, 2 1/16", 100PSI, STEPPER MOTOR W/PEAK & WARN, SLVR/CHRM, SPEK-PRO
Manufacturer fitment & guides
Check P30521 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
- Clearance item. All sales are final under the supplier clearance policy.