SKU: KS-SBCS
Crankshaft Support SB Chevy - Not for using a 1V Accessory pulley

Small Block Chevy Crankshaft support -   For High Boost engines , or overdrives 20% or More

The Blower will try to pull the crankshaft up into the upper main bearing without a support , often breaking off the snout of a small block crankshaft  -

  This helps that issue by putting the crankshaft in a more neutral  support fashion.  Sort of like having a 6th main bearing. 

MUST be used with a Blower Hub-   Unless you have a double keyway balancer with a 6 bolt blower Pattern 

NEW ALUMINIUM CRANK SUPPORT SYSTEM:

to use a crank trigger , you have to use this hub Below

RCD-202203-05   

1) ALUMINIUM FRONT PLATE WITH BEARING -

2) FLANGED STEEL SNOUT PEICE ( Bolts into an existing 6 bolt Blower hub or six bolt balancer

3) ALUMINIUM STAND OFF (4 - 6.25")  std *

4) ENGINE BLOCK PLATES THAT MOUNT TO BLOCK

Drive mandrel has a 1" Dia to accept a drive pulley for Dry sump, or fuel Pump 

THIS PIECE ALLOWS CHANGE OF BLOWER BELT WITH EASE, AND ALLOWING A BIGGER PULLEY CAN BE ALLOWED WITH THE SUPPORT.

Measurement from the block to the inside of the support 7-1/2" - to the outside of the support 7-3/4" (8-1/4" if you include the bolt head) There is an option to extend the support out one inch to accommodate a V accessory Pulley-See our KS-SBCS-extended   IF you are going to use a 1V accessory pulley between the hub and blower pulley