Tuning Tools
GM RPO Code Lookup
Enter one or multiple GM RPO codes to identify engines, transmissions, axle ratios, suspension packages, towing equipment, and performance options that can matter when choosing a tune.
Separate codes with commas, spaces, or line breaks. RPO labels are commonly found in the glove box, door jamb, service parts sticker, or build sheet.
Results
Results show the code meaning, category, and why it may matter for remote tuning.
Enter RPO codes to start.
JR Jones Racing Tune Files & Cam Kits
Use these tools to confirm your engine, drivetrain, tire size, gear ratio, or RPO codes before ordering. Once you know what you have, JR Jones Racing can help match your vehicle to the correct tune file, camshaft tune, DOD/AFM delete tune, MDS delete tune, or cam kit.