The Pro Built series continues with Feather Weight Steel diff for B6.4 and B6.3 . Pin Drive, works with kit bones or optional aluminum CVA bones. Weighing in at 17.4 grams (shave off 14 grams rotating weight!). As with all Pro Built Diffs, the Puck diff comes with Schelle Tungsten Carbide balls and a caged ceramic thrust bearing.
Pro Built Feather Weight Steel Diff:
1. 4 grams weight savings
2. Genuine MOD Featherweight Steel outdrives, Made in the USA.
3. Schelle premium Tungsten Carbide 3/32” Balls and Caged Ceramic Thrust.
4. Professionally assembled in a clean environment.
5. Drop in, check setting, and go!
6. B6.3 and B6.4 69mm pin bones not included, aluminum bones are MOD #20513 (also works with kit 69mm steel bones on B6.4) **not B7 bone compatible**