All carburetors and kits listed are for dual carb applications and require a GB 622 (Bosch 009) distributor, GB 624 Igniter ignition or Stinger electronic ignition. We provide special tuning instructions which are only available when the distributor is purchased from us (also included in our GB 800).
We sell these as a service to you, however, you must determine what jetting your engine requires. We cannot help you with your jetting needs on these carbs for any applications. See, GB 521 needle and seats for off-road. Each. SW 8#