40-40350 Intake Valve Spring Kit
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40-40350 Intake Valve Spring Kit
Unlock the full potential of your engine with the 40-40350 Intake Valve Spring Kit. Engineered with precision, this kit is designed to replace your factory titanium intake valves and components with a robust stainless steel valve conversion system. KPMI's expert engineers utilize cutting-edge design and simulation software, ensuring a harmonious synergy between your valve springs and engine performance.
Key Features:
- Stainless Steel Conversion: Durable and reliable replacement for factory titanium valves.
- Advanced Engineering: Developed using proprietary design software for optimal performance.
- Compatibility Assurance: Designed to match valve spring force and natural frequency with cam profiles, system mass, and engine RPM.
- Extended Lifespan: Thousands of riders have experienced prolonged valve life by making the switch.
Benefits:
- Improve engine reliability and performance.
- Minimize the risk of valve-related failures.
- Enhance overall riding experience with better throttle response.
Use Cases:
- Ideal for high-performance motorcycle enthusiasts.
- Perfect for riders seeking to maximize engine longevity.
- Essential for those looking to upgrade their stock components for racing or off-road applications.
Transform your ride and enhance performance with the 40-40350 Intake Valve Spring Kit. Experience the difference that expert engineering and premium materials can make in your motorcycle's performance.
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

