HKS 8-rib supercharger drive pulley, 80mm. A replacement/upgrade pulley for HKS GT-series supercharger kits - the diameter sets supercharger speed and boost. The smaller 80mm size spins the blower faster for more boost.
| Type | Supercharger drive pulley |
| Belt | 8-rib |
| Diameter | 80mm |
| Part Number | 12999-AK001 |
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