UPGRADE YOUR DANA 60 FRONT AXLE FROM THE STOCK 30 SPLINE OUTERS TO 35 SPLINE 4340 OUTER AXLES AND DRIVE SLUGS FOR ULTIMATE RELIABLE TRACTION!
KIT INCLUDES
2 - FORGED 4340 OUTERS (CHOOSE-12" CHEVY, 11.38" FORD OR 9.38" SD FORD)
1 - COMPLETE 35 SPLINE DRIVE FLANGE KIT
**NOTE** to install 35 spline axle shafts into the 99-04 Super Duty your unit bearings have to be bored out to fit the larger shafts.
