Description
A worn or failed accelerator pump diaphragm kills carburetor response and throttle consistency—especially critical when you’re running alcohol fuel and demand reliability at the track. The Holley 135-9 delivers the durability and precision your high-performance engine needs, engineered to handle both gasoline and alcohol blends without degradation. If your carb is hesitating off the line or starving under acceleration, this is your fix.
- 50cc displacement
- Viton construction
- Gas/alcohol compatible
- Holley carburetors
- Demon carburetors
- Bolt-on replacement
- Sold individually






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