1 AA9T-6A8A Pit crew time is 0
2 JA9T-7EZ4 Pit crew time is 2x normal
3 JA9T-7TZ4 Pit crew time is 1/2x normal
4 JA9T-7AZ4 Pit crew time is 1/4x normal
5 AJ5A-6A2N Tires don't wear out from normal driving
6 ABBT-6AD0 Tires don't wear out from bumping some cars or some rough driving
7 ABBA-6ACC Tires don't wear out from bumping other cars or other rough driving
8 ABAT-6ADR Tires don't wear out from hitting some trees, signs, etc.
9 ABBA-6AF8 Tires don't wear out from hitting other trees, signs, etc.
10 ABKT-6EG4 + AA9T-6ECA Tires last 1/4x long as normal
11 ABKT-6JG4 + AA9T-6JCA Tires last 1/2x long as normal
12 ABKT-7AG4 + AA9T-7ACA Tires last 2x long as normal
13 ABKT-7TG4 + AA9T-7TCA Tires last 3x long as normal
14 AT5A-6A4J No warning to pit when tires are worn
15 AJ2A-6A5L Each race is 1 lap
16 AJ2A-6A48 Each race is infinite laps (lap never counts up)
17 AYRT-6AB0 + AYRT-6AB6 Highest gear with manual transmission is 5th
18 ATRT-6AB0 + ATRT-6AB6 Highest gear with manual transmission is 4th
19 ANRT-6AB0 + ANRT-6AB6 Highest gear with manual transmission is 3rd
20 AJRT-6AB0 + AJRT-6AB6 Highest gear with manual transmission is 2nd
21 AERT-6AB0 + AERT-6AB6 Highest gear with manual transmission is 1st