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Thumbnail Filmstrip of 4581 Changeover kit to 8mm cogged Belt 250 Blower Kit Images
Kit to change a 250 Billet BB Chevy Blower over to 8mm Belt
- Includes upper pulley
- Lower Pulley
- 8mm Belt
- Idler assembly
- Front Cover
Crank trigger spacer kit available to space out the idler and upper pulley to align when using a crank trigger.
Now only one size belt fits all the ratios .
250 Upgrade - 8mm conversion