It looks like HKS released this fuel controller to combat the popularity of the A'PEXi AFC series of fuel controllers.  With 11 RPM points of adjustment, this offers superior flexiblity in tuning.  RPM points are adjustable between 650RPM and 8,000RPM in increments of 50RPM.  Adjustment is ± 50% in 1% increments.  Priced at $245.00, it's a very attractive option.

Manual  superafr.pdf

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