PowerTrax Grip LS Differential 28 Spline Steel GM 10 Bolt - 8.5" PDK These headers are designed to

These headers are designed to fit 66-77 Broncos with 289/302 motors with ample clearance for most modified suspensions

One 3-1/8 in Hole

5' cable assembly

Wires are precut to exact specificationsBolt-on performanceWire Lengths: 1-23"

Front / Rear Disc

PowerTrax Grip LS Differential 28 Spline Steel GM 10 Bolt - 8.5" PDK These headers are designed toFor vehicles that are driven daily, the Powertrax No Slip Traction System is the latest design in quiet traction adding differential technology. It combines the automatic street friendly smooth operation of a limited slip differential with the traction performance of a locking differential. The Powertrax No Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip