The Connecting Rod Crankshaft Assembly you're seeking is essential for KTM 144 SX, 150 SX, and 150 XC engines between 2007-2014. This OEM (Original Equipment Manufacturer) part, part number 51530018000, ensures reliable and high-performance engine operation. The assembly features durable and lightweight components that minimize vibrations and improve engine smoothness, making for a superior riding experience. It's vital to replace the old one to maintain the integrity of your engine and prevent any potential issues that could hinder performance or safety. So, invest in this Connecting Rod Crankshaft Assembly for your KTM 144 SX, 150 SX, or 150 XC bike to ensure longevity and optimal performance.