Yukon Gear Spool For GM & Chrysler 11.5in / 30 Spline

table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Air Freight Prohibited: false Not Carb Approved: false Carb Acknowledgement Required: f Ltl Freight Required: false Prop 65: N Epa: N/A Yukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedicated off-road and drag racing vehicles only. Fits AAM 11.5'', 30 spline. Yukon spools provide 100% traction to both wheels for off road, racing and performance applications. GM & CHY 11.5 AAM FULL SPOOL, 30spl Fitment: 2001 Chevrolet Silverado 2500 Base 2001 Chevrolet Silverado 2500 LS 2001 Chevrolet Silverado 2500 LT 2001 Chevrolet Silverado 2500 HD Base 2001 Chevrolet Silverado 2500 HD LS 2001 Chevrolet Silv