Piston Kit - 66.40 mm - Yamaha YZ250/YZ250X
Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity and increased horsepower, Innovative forging design and piston skirt provide maximum horsepower and torque, Features forged pistons, rings, wrist pins, and circlips, These high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longer, Each piston is E-Coated on the crown, ring grooves, and pin bore, for maximum wear resistance and protection from micro-welding, galling, and detonation, GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression, Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end, Cylinder sleeves must be purchased separately., Service intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.
We appreciate your business and are committed to providing you with the exceptional service and timely delivery we are known for. Please review the shipping information below for your order.
*FREE U.S. Shipping:
Orders with a subotal of $99.00 or above qualify for Free Standard Ground Shipping to the Contiguous 48 United States. Hawaii and Alaska do not qualify and will be reflected with rates at checkout.
Order Processing Time:
Orders are usually processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days.
Shipping Methods:
Standard Shipping (3-7 business days)
Expedited Shipping (2-3 business days)
Express Shipping (1-2 business days)
Packaging:
Rest assured that all items will be securely and safely packaged to prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
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International Shipping:
We ship worldwide! Please note that international shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
