AutoMeter 4621 AutoMeter Pro-Comp Silver Face Gauges COMP Cams High Energy Camshafts Whether you are changing spring

Whether you are changing spring rates

keeping the chassis flat during aggressive cornering and emergency maneuvers

Originally developed for NASCAR and endurance racing the XR-1 uses a straight-through design with Borla's patented Multi-Core technology to achieve near-zero flow restriction while producing a controlled aggressive exhaust note

Proper spring rate selection is critical for suspension performance

AutoMeter 4621 AutoMeter Pro-Comp Silver Face Gauges COMP Cams High Energy Camshafts Whether you are changing springThe AutoMeter 4621 AutoMeter Pro Comp Silver Face Gauges is a premium analog gauge designed for accurate monitoring of critical engine parameters. Compatible with a wide range of domestic and import vehicles, it replaces inaccurate factory gauges or adds monitoring capability where none existed from the factory. This gauge is purpose built for enthusiasts who demand real time data at a glance. This gauge features a 4. 9" dial face with an air core