Overview Reviews Product Description Wideband Failsafe Gauge Wideband Failsafe Gauge, Monitor AFR and boost or vacuum, programmable engine protection, internal data logger, incl 4.2LSU sensor Product Videos Custom Field Product Reviews Write a Review Write a Review × AEM AEM 30-4900 Univ Wideband Failsafe Gauge (Air/Fuel Ratios and Manifold Pressure) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Quick view Details AEM | sku: aem30-3439 AEM AEMnet Adapter for Wideband Failsafe 30-4900 MSRP: Now: $31.65 Out of stock Quick view Details AEM | sku: aem30-3426 AEM 30-3426 Sensor Harness For 30-4900/30-4910/30-4911 Failsafe Gauges MSRP: Now: $28.88 Out of stock Quick view Details AEM | sku: aem30-3425 AEM 30-3425 Main Harness For 30-4900/30-4910/30-4911 Failsafe Gauges MSRP: Now: $33.47 Out of stock Quick view Details Grams Performance | sku: gpG2-99-0055 Grams Performance Wideband Air/Fuel Ratio Gauge MSRP: Now: $210.99 Out of stock Quick view Details AEM | sku: aem30-5130 AEM 30-5130 Wideband Air/Fuel Gauge 8.5 to 18:1AFR with Analog Face MSRP: Now: $346.99 Out of stock Quick view Details AEM | sku: aem30-4911 AEM 30-4911 Flex Fuel Failsafe Gauge w/ Ethanol Content Sensor MSRP: Now: $534.74 Out of stock Quick view Details Autometer | sku: am2243 Autometer Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges MSRP: Now: $160.99 Out of stock Quick view Details Autometer | sku: ATM5779 2-1/16 Phantom Air/Fuel Ratio Wideband Gauge MSRP: Now: $0.00 Add to Cart ×
Quick view Details AEM | sku: aem30-3426 AEM 30-3426 Sensor Harness For 30-4900/30-4910/30-4911 Failsafe Gauges MSRP: Now: $28.88 Out of stock Quick view Details AEM | sku: aem30-3425 AEM 30-3425 Main Harness For 30-4900/30-4910/30-4911 Failsafe Gauges MSRP: Now: $33.47 Out of stock Quick view Details Grams Performance | sku: gpG2-99-0055 Grams Performance Wideband Air/Fuel Ratio Gauge MSRP: Now: $210.99 Out of stock Quick view Details AEM | sku: aem30-5130 AEM 30-5130 Wideband Air/Fuel Gauge 8.5 to 18:1AFR with Analog Face MSRP: Now: $346.99 Out of stock Quick view Details AEM | sku: aem30-4911 AEM 30-4911 Flex Fuel Failsafe Gauge w/ Ethanol Content Sensor MSRP: Now: $534.74 Out of stock Quick view Details Autometer | sku: am2243 Autometer Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges MSRP: Now: $160.99 Out of stock Quick view Details Autometer | sku: ATM5779 2-1/16 Phantom Air/Fuel Ratio Wideband Gauge MSRP: Now: $0.00 Add to Cart ×
Quick view Details AEM | sku: aem30-3425 AEM 30-3425 Main Harness For 30-4900/30-4910/30-4911 Failsafe Gauges MSRP: Now: $33.47 Out of stock Quick view Details Grams Performance | sku: gpG2-99-0055 Grams Performance Wideband Air/Fuel Ratio Gauge MSRP: Now: $210.99 Out of stock Quick view Details AEM | sku: aem30-5130 AEM 30-5130 Wideband Air/Fuel Gauge 8.5 to 18:1AFR with Analog Face MSRP: Now: $346.99 Out of stock Quick view Details AEM | sku: aem30-4911 AEM 30-4911 Flex Fuel Failsafe Gauge w/ Ethanol Content Sensor MSRP: Now: $534.74 Out of stock Quick view Details Autometer | sku: am2243 Autometer Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges MSRP: Now: $160.99 Out of stock Quick view Details Autometer | sku: ATM5779 2-1/16 Phantom Air/Fuel Ratio Wideband Gauge MSRP: Now: $0.00 Add to Cart ×
Quick view Details Grams Performance | sku: gpG2-99-0055 Grams Performance Wideband Air/Fuel Ratio Gauge MSRP: Now: $210.99 Out of stock Quick view Details AEM | sku: aem30-5130 AEM 30-5130 Wideband Air/Fuel Gauge 8.5 to 18:1AFR with Analog Face MSRP: Now: $346.99 Out of stock Quick view Details AEM | sku: aem30-4911 AEM 30-4911 Flex Fuel Failsafe Gauge w/ Ethanol Content Sensor MSRP: Now: $534.74 Out of stock Quick view Details Autometer | sku: am2243 Autometer Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges MSRP: Now: $160.99 Out of stock Quick view Details Autometer | sku: ATM5779 2-1/16 Phantom Air/Fuel Ratio Wideband Gauge MSRP: Now: $0.00 Add to Cart ×
Quick view Details AEM | sku: aem30-5130 AEM 30-5130 Wideband Air/Fuel Gauge 8.5 to 18:1AFR with Analog Face MSRP: Now: $346.99 Out of stock Quick view Details AEM | sku: aem30-4911 AEM 30-4911 Flex Fuel Failsafe Gauge w/ Ethanol Content Sensor MSRP: Now: $534.74 Out of stock Quick view Details Autometer | sku: am2243 Autometer Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges MSRP: Now: $160.99 Out of stock Quick view Details Autometer | sku: ATM5779 2-1/16 Phantom Air/Fuel Ratio Wideband Gauge MSRP: Now: $0.00 Add to Cart ×
Quick view Details AEM | sku: aem30-4911 AEM 30-4911 Flex Fuel Failsafe Gauge w/ Ethanol Content Sensor MSRP: Now: $534.74 Out of stock Quick view Details Autometer | sku: am2243 Autometer Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges MSRP: Now: $160.99 Out of stock Quick view Details Autometer | sku: ATM5779 2-1/16 Phantom Air/Fuel Ratio Wideband Gauge MSRP: Now: $0.00 Add to Cart ×
Quick view Details Autometer | sku: am2243 Autometer Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges MSRP: Now: $160.99 Out of stock Quick view Details Autometer | sku: ATM5779 2-1/16 Phantom Air/Fuel Ratio Wideband Gauge MSRP: Now: $0.00 Add to Cart ×
Quick view Details Autometer | sku: ATM5779 2-1/16 Phantom Air/Fuel Ratio Wideband Gauge MSRP: Now: $0.00 Add to Cart