Del West +1mm Titanium Exhaust Valve – Yamaha YFZ450 / YFZ450R / YFZ450X
Del West +1mm Oversized Titanium Exhaust Valve – Yamaha YFZ450 / YFZ450R / YFZ450X
Upgrade your YFZ450 or YFZ450R engine with the Del West +1mm Oversized Titanium Exhaust Valve, precision-engineered for elite race performance. Built from titanium aluminide, this valve offers extreme strength, reduced reciprocating mass, and increased airflow — helping your motor rev higher, run cooler, and make more power.
✅ What’s Included
-
(1) Del West +1mm Oversized Titanium Exhaust Valve
-
Precision CNC-machined and ready for direct installation
⚙️ Key Features & Benefits
-
+1.00mm Oversized Head: Boosts exhaust flow for stronger top-end power and improved efficiency
-
Titanium Aluminide Alloy: Race-grade material provides unmatched heat resistance and durability
-
High-RPM Stability: Lightweight design minimizes valve float at elevated engine speeds
-
Factory-Level Quality: Proven in championship-winning off-road and ATV applications
-
Direct OEM Fitment: Works as center or outer exhaust valve for easy installation
📦 Compatibility
-
Yamaha YFZ450 (2004–2014)
-
Yamaha YFZ450R (2009–2014)
-
Yamaha YFZ450X (2010–2011)
-
Includes SE, LE, and Bill Balance Editions
🛡️ Warranty Info
Manufacturer warranty included.
Professional valve installation and lash verification required for warranty eligibility.
💲 Price: $155.95 (Suggested Retail)
🔢 SKU: 0926-1735 / DW-YFZ450R1EV03
🏷️ Brand: Del West
📦 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.
