40-41400 Racingvalve Spring Kit
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:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

