improved structural memory

To simplify

2mm Napier-style second ring for improved oil scraping

these valve sets are crafted from advanced

Rated for up to 2000 horsepower

BMW M60 / M62 Valve Spring Kit by 5150 AutoSport 4G64 improved structural memory5150 AutoSport High Performance Valve Spring Kit for BMW M60 M62 Engines Designed for enthusiasts who push their BMW M60 or M62 engine beyond factory limits, the 5150 AutoSport Valve Spring Kit ensures your valvetrain can handle higher RPMs, increased boost, and aggressive cam profiles. This kit includes high tension valve springs, precision engineered seats, and lightweight retainersproviding the stability needed for high performance builds. Whether