Final Lap is a racing game developed by Arc System Works which is a port of the arcade version developed by Namco. The game is very similar to Namco's Pole Position and the arcade version was even considered as Pole Position 3. Unfortunately, the Famicom version never made it to the States.
See the guide on Easy Cheats to find out how to use these.
00DB - 3F - P1 Infinite Nitro 0404 - 10 - Infinite Upgrade Points
00DB - P1 Nitro 00DC - P1 Current Lap (00-03) 0404 - Upgrade Points 050F - P1 Speed