Nitro Gear & Axle 30/27 Spline Chromoly Birfield Outer Axle Joint Toyota | AXTBIRF-4340

These new Birfield joints are made from 4340 chromoly. The housing is larger to allow for a thicker walls. The internal parts are redesigned for more strength. The joint is cryo and heat treated and designed for rock crawling. Nitro Gear and Axle strives to provide the highest quality differential and axle components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and applications. At Nitro we know differentials, and know what it takes to provide you with high quality components.<b