Knobtown Cycle proudly offers the KIBBLEWHITE VALVE, EX PTR 500 STD. Your Kansas City motorcycle parts experts for over 40 years.
Product Description
VALVE, EX PTR 500 STD
- Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel
- Lightweight, strong, one piece forging with profiles that provide excellent flow characteristics
- Valve is infused by a special German process to a depth of .002, with a surface build up of .0002 which improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating
- Each valve is designed using Finite Element Analysis (F.E.A) software, and profiles are tested on a computerized flow bench
- Stems are coated with black nitroneg
- Made in the USA
Part Locations
| Location |
Available |
| Wisconsin (WI) |
11 |
| New York (NY) |
1 |
| Texas (TX) |
1 |
| Nevada (NV) |
0 |
| North Carolina (NC) |
1 |
| National Total |
14 |
Stock levels last updated: December 22, 2025 3:31 PM
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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