40-41400 Racingvalve Spring Kit
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40-41400 Racingvalve Spring Kit
Unleash the full potential of your racing engine with the KPMI® 40-41400 Racingvalve Spring Kit. Designed for uncompromising performance, this spring kit is the perfect choice for high-performance racing enthusiasts looking to gain that competitive edge.
Key Features:
- Premium Quality Materials: Made from premium Kobe super-clean chrome silicon wire, ensuring durability and strength.
- Engineered for Excellence: Each valve spring is meticulously wound and heat-treated, stress relieved, and shot peened for maximum performance and longevity.
- Advanced Design Technology: Employs proprietary spring design simulation and analysis software for tailored springs that meet specific application needs.
- Optimal Performance: Delivers 80 lbs of seat pressure and 205 lbs at 0.435" lift (maximum), ensuring your engine runs at its best.
- Compatibility: Designed to work seamlessly with the OEM integrated seal/base (OE# 3610212) where applicable.
- Lightweight Components: Features a lightweight heat-treated steel retainer and beehive spring, significantly reducing reciprocating mass and enhancing performance in high boost applications.
Upgrade your engine with the KPMI® 40-41400 Racingvalve Spring Kit and experience the difference that superior engineering can make. Achieve unparalleled performance and reliability on the racetrack!
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.

