Venom Racing Speed Meter The Venom Speed Meter is easy to install and calibrate on all R/C Cars & Trucks. Use the Top Speed function to determine if your set-up change increases speed. Track your motor usage between rebuilds using the Lifetime Odometer. Know what distance you traveled during the 30min Main with the Trip Odometer and never be caught with a dead battery in your car with the built-in Digital Voltmeter. OFNA Racing Aluminum Fuel Filter W/primer pump Fuel Filter/Primer Pump, Stone