Product Description
Looking for dependable parts? The PRO CIRCUIT T4 SYSTEM KLX/DRZ125 is ready to ship from Knobtown Cycle.
Key Features
- Advanced design ensures lightning-quick throttle response
- Extensively track- and dyno-tested
- Steel Allen head screws make repacking an easy task
- Exclusive E-glass pillow packing
- Includes USFS-approved spark arrestor that can be removed for closed-course racing
Product Specifications
- Part Number: 4S03125
- Brand: PRO CIRCUIT
- Weight: 3.88 lbs
Expert Installation Services
Professional installation services available. Contact our Kansas City service department! Free Ship to Store!
Part Locations
| Location |
Available |
| Wisconsin (WI) |
5 |
| New York (NY) |
0 |
| Texas (TX) |
0 |
| Nevada (NV) |
16 |
| North Carolina (NC) |
20+ |
| National Total |
20+ |
Stock levels last updated: February 1, 2026 10:17 AM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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