TKR6856 – M6 CV Rebuild Kit (for 6851X, 6852X, 1951X, 2210X, others) This is a CV rebuild kit for Tekno RC M6 and HD Driveshaft kits. Kit contains (2) replacement pins and (2) replacement barrels. They are for use in the following products (9.8mm drive pins): TKR6851X -> Slash/Stampede 4×4 (front) TKR6852X -> Slash/Stampede 4×4 (rear) TKR1951X -> Slash 2WD (rear) TKR2210X -> Losi SCTE, Ten-T, 810 (front/rear) This kit includes (2x) M6/HD barrels, (2x) 9.8mm pins (for 6851X, 6852X, 1951X, 2210X, others)