Yukon Gear Steel Spool For Model 20 w/ 29 Spline Axles / 3.08+ - YP FSM20-3-29

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 AMC Model 20
• 3.08 and up ratio only
• Provides 100% traction to both wheels at all times
• Not recommended for street driven vehicles