South Bay Moto Performance is proud to be the premier distributor for
Two Stroke Performance products sold in the US and Mexico.
Specializing in off road motorcycle, two-stroke performance engine mods and parts.
We only carry the highest quality parts designed to enhance performance and reliability of your two-stroke motor:
- CNC Billet Cylinder Heads
- Carb, TPI, and TBI ECU Tuning
- TBI Power Kits, TPI Power Kits and Carb Power Kits
- Injector Relocation Kits, Radiator Fan Kits, and more!
Team SBMP has 35+ years of tuning, riding and racing off road two-strokes. Give us a call and let us help you create your dream two-stroke motor power plant!
Top performance mods for Off Road Single-Track Hard Enduro MX GNCC Hare Scramble Sprint Enduro Trail Riding Desert Racing
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Verified ownerIt’s a map switch. It does exactly what it should for way less than the OEM.
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Track and Trail Tested Performance Upgrades!
Check out these videos to see how the TSP performance upgrades from SB Moto Performance hold up on the track and trails. See all of our videos here.
Kris Keefer and the guys at Racer X discuss and test the garage build of a 2021 KTM 300 XC TPI.
Dirt Bike Test rides RPM Racing KTM team rider Kaitlyn Jacobs’ 2022 KTM 150SX with motor mods tuned by TSP and SBMP.
Performance and reliability for all skill levels!
We are dedicated offroad riders. We understand the importance of not only going fast, but also keeping our motorcycles running in top condition. Nobody wants to spend a weekend at the trailhead wrenching on their equipment. Let us help you select the perfect parts to keep your two stroke running at peak performance!