
AutoMeter · New
Autometer Sport-Comp 66.7mm 0-35 PSI Mechanical Boost Gauge
MPN 3404 · Store SKU atm3404
Supplier stock checked 11/7/2026, 1:17:30 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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
Mechanical boost gauges have become the staple in boost pressure monitoring for all types of engines, gasoline, diesel, or otherwise. Ultra-precise bourdon tube meter movement ensures accuracy and durability not seen anywhere else in the industry. A simple 1/8” NPT pressure connection requires no electrical hookup for operation. Includes 1/8” NPT fittings and nylon line kit. GAUGE, BOOST, 2 5/8", 35PSI, MECHANICAL, SPORT-COMP 2-5/8" BOOST, 0-35 PSI, SPORT-COMP
Manufacturer fitment & guides
Check 3404 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y