Description
A worn or degraded accelerator pump diaphragm compromises fuel delivery consistency, leading to hesitation during acceleration and unpredictable throttle response—critical issues whether you’re on the track or the street. The Holley 135-5 is a direct replacement engineered to restore precise fuel metering and crisp acceleration characteristics. Keep your carburetor operating at peak efficiency with this OEM-quality diaphragm.
- 30cc pump displacement
- Rubber construction
- Gas-compatible formula
- Holley carburetor fitment
- Demon carburetor compatible
- Single unit
- Direct bolt-on replacement
- OEM-equivalent performance






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