Pro-Built B7 / B6 Diff Rebuild Kit Titanium +1 for higher grip (but

+1 for higher grip (but more steering than +2)

Overall drivers report fewer mistakes per race with this more forgiving system on extreme high or low grip

shifts weight forward for a more stable front end high speed

SC5M ball diff

Pro-Built B7 / B6 Diff Rebuild Kit Titanium +1 for higher grip (butPart Number: 1381 If your B6 B7 Diff is getting gritty and you need a complete rebuild, this is the rebuild kit to get. It contains the best of the best parts from the Schelle Pro Built Diffs. The Schelle "rebuild kit" is is a combination set including 14 pcs 3 32" Tungsten Carbide High Precision Balls, Caged Ceramic Thrust, B6 Diff Rings, Diff Screw T nut and Diff Spring for a B6 Pro Built Steel or Pucks Diff. Even if you don't run our Pro Built