Manifold Flange Adapter

HARDDRIVE Manifold Flange Adapter Upgrade your carburetion with precision. The HARDDRIVE Manifold Flange Adapter converts older two-bolt flange style intake manifolds to accept modern Mikuni HSR and late-model Keihin CV carburetors, delivering reliable fitment and improved performance. Precision machined: CNC billet aluminum construction for accurate dimensions and long-lasting durability. Direct conversion: Allows hassle-free installation of Mikuni HSR and late Keihin CV carbs on legacy two-bolt manifolds. Corrosion resistant: Lightweight aluminum resists rust and stands up to heat and vibration. Easy installation: Bolt-on design uses existing flange pattern — minimal modification required. Perfect for custom builds, restorations, and performance upgrades, the HARDDRIVE Manifold Flange Adapter ensures a secure seal and precise carb alignment for smoother throttle response and consistent fueling. Compatibility: older two-bolt flange manifolds to Mikuni HSR & late Keihin CV carburetors.