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Best-SellerPart# 30-0300Free ShippingIn Stock
MSRP $259.95$206.95Save $53.00
Best-SellerAEMAEM Classic Digital Wideband AFR Gauge Kit LSU 4.9 Sensor - Interchangeable bezels and face includedPart# 30-4110Free ShippingIn Stock
MSRP $233.95$186.95Save $47.00
Best-SellerPart# 30-0334Free ShippingIn Stock
MSRP $337.95$268.95Save $69.00
Best-SellerPart# 30-0306Free ShippingIn Stock
MSRP $259.95$206.95Save $53.00
Best-SellerPart# 30-0302Free ShippingIn Stock
MSRP $272.95$216.95Save $56.00
Best-SellerPart# 30-0307Free ShippingIn Stock
MSRP $311.95$248.95Save $63.00
Best-SellerPart# 30-0301Free ShippingIn Stock
MSRP $259.95$206.95Save $53.00
Best-SellerAEMAEM X-Series Tru-BoostX Gauge Controller Kit 80 PSIg Internal MAP Sensor - Black Bezel - Black FacePart# 30-0352Free ShippingIn Stock
MSRP $449.95$358.95Save $91.00
Best-SellerAEMAEM Classic Boost Display Gauge Kit 30 inHG to 35 PSI - Interchangeable bezels and face includedPart# 30-4406Free ShippingIn Stock
MSRP $233.95$186.95Save $47.00
TrendingPart# 30-0310Free ShippingEst. Ship Date: 11/02/2026
MSRP $249.95$198.95Save $51.00
AEMAEM Classic Digital 150 PSI OIL Pressure Gauge Kit 0-150 PSI - Interchangeable bezels and face includedPart# 30-4407Free ShippingIn Stock
MSRP $281.95$223.95Save $58.00
AEMAEM Classic Digital Temperature Gauge Kit Oil/Trans/Water - 100-300F Degrees - Interchangeable bezels and face includedPart# 30-4402Free ShippingIn Stock
MSRP $253.95$201.95Save $52.00
Best-SellerPart# 30-0311Free ShippingIn Stock
MSRP $212.95$170.05Save $42.90- AEMAEM X-Series Wideband UEGO AFR Gauge Only (no sensor) X-Digital Technology - 8.50:1 to 18:1 AFR ScalePart# 30-0300NSFree Shipping
In Stock
MSRP $191.95$152.95Save $39.00 
TrendingPart# 30-0305Free ShippingIn Stock
MSRP $393.95$313.95Save $80.00
Part# 30-0308Free ShippingIn Stock
MSRP $368.95$294.95Save $74.00
Part# 30-4401Free ShippingIn Stock
MSRP $253.95$201.95Save $52.00- AEMAEM Classic Digital Wideband AFR Gauge (Sensor Not Included) The Original Wideband Air/Fuel Ratio Gauge (No Sensor)
In Stock
MSRP $175.95$140.35Save $35.60 
Part# 30-0312Free ShippingIn Stock
MSRP $247.95$196.95Save $51.00
Part# 30-0309Free ShippingIn Stock
MSRP $281.95$223.95Save $58.00
Part# 30-0313Free ShippingIn Stock
MSRP $233.95$186.95Save $47.00
Part# 30-0303Free ShippingIn Stock
MSRP $188.95$151.15Save $37.80
In Stock
MSRP $40.46$32.36Save $8.10
Part# 30-4408Free ShippingIn Stock
MSRP $325.95$259.95Save $66.00
AEMAEM X-Series Temperature Gauge Accessory Kit Silver Bezel - Black Transmission and Oil Faceplates - White Water, Transmission, and Oil FaceplatesIn Stock
MSRP $26.08$20.86Save $5.22
In Stock
MSRP $48.31$38.65Save $9.66
In Stock
MSRP $24.78$19.83Save $4.95- AEMAEM X-Series Fluid Pressure Gauge Accessory Kit Silver Bezel and Black Fuel Pressure Faceplate - White Oil and Fuel Pressure Faceplates
In Stock
MSRP $19.55$15.64Save $3.91 
In Stock
MSRP $175.95$140.35Save $35.60
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
MSRP $19.55$15.64Save $3.91
MSRP $32.63$26.10Save $6.53
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
MSRP $19.55$15.64Save $3.91
AEMAEM Main Harness X-Series AEMnet Gauge CLEARANCE ITEM / ALL SALES FINAL - Compatible w/ Part # 30-0312In Stock
MSRP $35.22$28.18Save $7.04
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
Last ChanceAEMAEM 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 - 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 
Part# VK080036Free ShippingEst. Ship Date: 11/02/2026
$594.85
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.