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Best-SellerPart# 30-0306Free ShippingIn Stock
$230.95
Best-SellerPart# 30-0302Free ShippingIn Stock
$241.95
Best-SellerPart# 30-0307Free ShippingIn Stock
$276.95
Best-SellerPart# 30-0301Free ShippingIn Stock
$230.95
Best-SellerAEMAEM X-Series Tru-BoostX Gauge Controller Kit 80 PSIg Internal MAP Sensor - Black Bezel - Black FacePart# 30-0352Free ShippingIn Stock
$399.95
Best-SellerAEMAEM Classic Boost Display Gauge Kit 30 inHG to 35 PSI - Interchangeable bezels and face includedPart# 30-4406Free ShippingIn Stock
$207.95
Best-SellerAEMAEM Classic Digital 150 PSI OIL Pressure Gauge Kit 0-150 PSI - Interchangeable bezels and face includedPart# 30-4407Free ShippingIn Stock
$249.95
AEMAEM Classic Digital Temperature Gauge Kit Oil/Trans/Water - 100-300F Degrees - Interchangeable bezels and face includedPart# 30-4402Free ShippingIn Stock
$224.95
TrendingPart# 30-0311Free ShippingIn Stock
$188.95
AEMAEM X-Series Wideband UEGO AFR Gauge Only (no sensor) X-Digital Technology - 8.50:1 to 18:1 AFR ScalePart# 30-0300NSFree ShippingIn Stock
$169.95
Part# 30-0308Free ShippingIn Stock
$327.95
Part# 30-0305Free ShippingIn Stock
$349.95
Part# 30-4401Free ShippingIn Stock
$224.95
Part# 30-0312Free ShippingIn Stock
$219.95
Part# 30-0309Free ShippingIn Stock
$249.95
Part# 30-0303Free ShippingIn Stock
$167.95
Part# 30-0313Free ShippingIn Stock
$207.95
Est. Ship Date: 12/21/2026
$35.96
AEMAEM X-Series Temperature Gauge Accessory Kit Silver Bezel - Black Transmission and Oil Faceplates - White Water, Transmission, and Oil FaceplatesIn Stock
$23.18
Part# 30-4408Free ShippingIn Stock
$288.95- AEMAEM X-Series Fluid Pressure Gauge Accessory Kit Silver Bezel and Black Fuel Pressure Faceplate - White Oil and Fuel Pressure Faceplates
In Stock
$17.38 
In Stock
$22.03
Part# 30-4400Free ShippingIn Stock
$155.95
Earl'sEarl's 90 Degree Elbow Female 1/8" NPT to Male 1/8" NPT Available for Any Plumbing Situation And Many Custom Applications.In Stock
$25.36
In Stock
$17.38
Earl'sEarl's 45 Degree Elbow Female 1/8" NPT to Male 1/8" NPT Available for Any Plumbing Situation And Many Custom Applications.In Stock
$25.36
In Stock
$17.38
Earl'sEarl's Fem. 1/8" NPT to Male 1/2" NPT Pipe Bushing Reducer Available for Any Plumbing Situation And Many Custom Applications.In Stock
$20.89
ClearanceAEMAEM X-Series EGT Gauge Accessory Kit CLEARANCE ITEM / ALL SALES FINAL - Silver Bezel and White FaceplateIn Stock
MSRP $1.97$1.10Save $0.87- Earl'sEarl's Fem.1/8" NPT to Male 1/4" NPT Pipe Bushing Reducer Available for Any Plumbing Situation And Many Custom Applications.
In Stock
$11.91 
TrendingAEMAEM X-Series Plus Wideband UEGO AFR Gauge Kit 8.50:1 to 18:1 AFR Scale - Black Bezel - Black FacePart# 30-0500Free ShippingPre-Order
Est. Ship Date: 12/15/2026
$244.95- TrendingPart# 30-0534Free Shipping
Pre-Order
Est. Ship Date: 12/15/2026
$299.95 - Earl'sEarl's Fem.1/8" NPT to Male 3/8" NPT Pipe Bushing Reducer Available for Any Plumbing Situation And Many Custom Applications.
In Stock
$14.92
Performance Gauges
Shop AEM performance gauges for monitoring boost, air/fuel ratio, oil and fuel pressure, temperature, EGT, voltage, and other critical vehicle data. Explore X-Series and Classic digital gauges, OBDII and CAN bus gauge kits, controllers, sensors, wiring, and accessories for street and racing applications.