KPMI Black Diamond Exhaust Valve Honda CRF450R (2013–2016)
Honda CRF450R Black Diamond Exhaust Valve – KPMI (30-31616)
Built for heat resistance, strength, and high-RPM durability, the KPMI Black Diamond® Exhaust Valve uses premium materials and a hard chrome finish for excellent sealing and flow. Each valve profile is FEA-designed and flow-bench tested for reliable performance.
Important: Must use a KPMI valve spring kit when installing Black Diamond® or White Diamond® valves.
What’s Included
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(1) KPMI Black Diamond® exhaust valve
Fitment
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2013 – 2016 Honda CRF450R
Direct drop-in with OEM head when paired with the correct KPMI spring kit.
Warranty Info
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Manufacturer warranty against defects
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Precision manufacturing with strict surface prep and chrome purity controls
Key Features
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Premium materials with proven heat and corrosion resistance
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360-degree anode process for highest-grade hard chrome finish
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One-piece forging for strength and reduced mass
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Valve profiles engineered with Finite Element Analysis (FEA) and tested on a computerized flow bench
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Designed to deliver excellent flow characteristics and long service life
Price & SKU
Price: $30.95
SKU / Part Number: 191-11032 | KPMI 30-31616
Estimated Shipping Weight: 0.07 lbs
Handling Time: Ships Next Business Day
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
