NICHE MK1000978 High Strength Front & Rear L&R CV Axle A brand new High-Strength CV Axle and what makes these Axles so unique is the internal joint design and reinforced shaft joint and inner components. The shafts and joints are constructed from Forged 4340 Chrome-Moly Steel. High-Strength Axles feature joint and shaft diameters that are a full 25% larger than the factory Axle while having a slightly improved articulation angle over stock. Because of this these Axles can safely handle a 2 Body / Suspension lift without any compromise. These Axles comes fully assembled including inner and outer joints and shaft pre-packed with high-performance grease. Compatible with (Replacement for) The Following Vehicles: For Yamaha Grizzly 660: 2003-2008