SKU: TBS-4581
TBS-4581 Changeover Kit To 8MM Cogged Belt 192 & 250 Blower Kit. Replaces Serpentine Drive Setup.

Kit to change a 192/250 Billet BB Chevy Blower over to 8mm  Belt 

Includes: 

• Upper Pulley
• Lower Pulley
• 8mm Belt
• Idler assembly  New Style  Heavy Duty 
• New Type Front Cover. CAN DELETE IF YOU ALREADY HAVE IT 

Crank trigger spacer kit available to space out the idler and upper pulley  to align when using a crank trigger.   1/4"  

Now only one size belt fits all the ratios . 1360 Belt for 250 Setup. 1224 Belt for 192 Setup. 

250 Upgrade  - 192 Upgrade    8mm conversion