202800-0002     RCD  EARLY HEMI  331-354-392  417 CRANK SUPPORT  W HUB  & BOLT  

Comes with Hub & BOLT

    Minimum size lower pulley is a 55 tooth 8mm   4.76"  ID  <<<<<

A  Supercharger belt pulling the crank snout upwards, THE MORE OVERDRIVE AND SPEED , THE CONDITION IS WORSE  SO  the crankshaft snout  is in need of some additional support.

 By adding a crank snout support, essentially  a sixth main bearing is created -- the vulnerable unsupported snout has less chance of bending and breaking. Race engines, especially those prone to detonation, are the applications most in need of this support.

These crankshaft snout supports feature a unique hub which is completely machined from a single piece  chromoly steel billet.  The hub also has  dual .250" keyways on both ends so that the front can be used to drive another accessory such as a oil pump or starter jaw.

The aluminum bracket and stand assembly that hold the front bearing mounts to either the front of the block or the front cover, depending on application. Kits include crank hub, mounting plates, stands, bearing and hardware. 

crank trigger assembly can be added  as well 

Fits 331  354   392,417, Chrysler and donovan early hemis 

Bearing rated to over 9000  RPM

Belt Drive bracket  300700-0001   IF DRIVING A FUEL PUMP OFF OF THE SUPPORT  

55T 8MM pulley is the smallest you can use DUE TO BEARING DIAMETER