SPRING KT INT TRX450R 04-

Stainless Steel Conversion Valve and Spring Kit

• Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves
• Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts
• Includes forged one-piece stainless steel intake valves, wound chrome-silicon heat-treated wire valve springs, ultra-light titanium retainers and hardened steel bases
• Components are created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software
• Specifically designed and engineered for each application
• Made in the U.S.A.