Holley 30cc Viton Accelerator Pump Diaphragm Assembly — Fits Holley & Demon Carburetors

SKU: BBVL_135-10
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About Holley Holley is the legendary American carburetor and fuel-injection ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Holley

Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.

Restore Instant Throttle Response with Holley's Viton Accelerator Pump Diaphragm

A crisp, immediate throttle response is vital for any performance vehicle, and it starts with a healthy accelerator pump diaphragm. This Holley 30cc Viton Accelerator Pump Diaphragm Assembly is the perfect replacement to eliminate hesitation and flat spots in your Holley or Demon carburetor. Over time, standard diaphragms can degrade due to fuel exposure, leading to poor acceleration and frustrating drivability. Upgrade to Viton for superior chemical resistance and extended lifespan, ensuring your engine gets the precise fuel shot it needs, every time.

Engineered for Durability and Broad Fuel Compatibility

Unlike conventional rubber diaphragms, this Holley assembly features a premium Viton construction, renowned for its exceptional resistance to a wide range of fuels, including both gasoline and alcohol blends. The 30cc capacity is ideal for numerous Holley and Demon carburetor applications, providing the correct volume of fuel for optimal off-idle and mid-range acceleration. This direct replacement component ensures a perfect fit and restores the critical function of your accelerator pump, making your carburetor feel new again.

  • Premium Viton Material: Offers superior chemical resistance and extended durability against modern fuels.
  • Optimized 30cc Capacity: Delivers the precise fuel shot for crisp throttle response.
  • Broad Compatibility: Suitable for use with both gasoline and alcohol-based fuels.
  • Direct Replacement: Ensures a perfect fit for Holley and Demon carburetors.
  • Eliminates Hesitation: Restores immediate fuel delivery for smooth acceleration.

Why Viton Makes a Difference in Your Fuel System

Choosing a Viton diaphragm is a smart investment in the longevity and performance of your carburetor. Its advanced material properties prevent swelling, hardening, and cracking that often plague lesser materials, especially when exposed to aggressive fuel additives or alternative fuels. By ensuring a consistent and reliable fuel pump action, this Holley diaphragm helps maintain peak engine performance and prevents costly carburetor issues down the line. For all your essential carburetor repair and upgrade needs, trust the quality and selection available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Holley

Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.

Restore Instant Throttle Response with Holley's Viton Accelerator Pump Diaphragm

A crisp, immediate throttle response is vital for any performance vehicle, and it starts with a healthy accelerator pump diaphragm. This Holley 30cc Viton Accelerator Pump Diaphragm Assembly is the perfect replacement to eliminate hesitation and flat spots in your Holley or Demon carburetor. Over time, standard diaphragms can degrade due to fuel exposure, leading to poor acceleration and frustrating drivability. Upgrade to Viton for superior chemical resistance and extended lifespan, ensuring your engine gets the precise fuel shot it needs, every time.

Engineered for Durability and Broad Fuel Compatibility

Unlike conventional rubber diaphragms, this Holley assembly features a premium Viton construction, renowned for its exceptional resistance to a wide range of fuels, including both gasoline and alcohol blends. The 30cc capacity is ideal for numerous Holley and Demon carburetor applications, providing the correct volume of fuel for optimal off-idle and mid-range acceleration. This direct replacement component ensures a perfect fit and restores the critical function of your accelerator pump, making your carburetor feel new again.

  • Premium Viton Material: Offers superior chemical resistance and extended durability against modern fuels.
  • Optimized 30cc Capacity: Delivers the precise fuel shot for crisp throttle response.
  • Broad Compatibility: Suitable for use with both gasoline and alcohol-based fuels.
  • Direct Replacement: Ensures a perfect fit for Holley and Demon carburetors.
  • Eliminates Hesitation: Restores immediate fuel delivery for smooth acceleration.

Why Viton Makes a Difference in Your Fuel System

Choosing a Viton diaphragm is a smart investment in the longevity and performance of your carburetor. Its advanced material properties prevent swelling, hardening, and cracking that often plague lesser materials, especially when exposed to aggressive fuel additives or alternative fuels. By ensuring a consistent and reliable fuel pump action, this Holley diaphragm helps maintain peak engine performance and prevents costly carburetor issues down the line. For all your essential carburetor repair and upgrade needs, trust the quality and selection available at GGCRACING.

Product Details

Product Description

About Holley

Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.

Restore Instant Throttle Response with Holley's Viton Accelerator Pump Diaphragm

A crisp, immediate throttle response is vital for any performance vehicle, and it starts with a healthy accelerator pump diaphragm. This Holley 30cc Viton Accelerator Pump Diaphragm Assembly is the perfect replacement to eliminate hesitation and flat spots in your Holley or Demon carburetor. Over time, standard diaphragms can degrade due to fuel exposure, leading to poor acceleration and frustrating drivability. Upgrade to Viton for superior chemical resistance and extended lifespan, ensuring your engine gets the precise fuel shot it needs, every time.

Engineered for Durability and Broad Fuel Compatibility

Unlike conventional rubber diaphragms, this Holley assembly features a premium Viton construction, renowned for its exceptional resistance to a wide range of fuels, including both gasoline and alcohol blends. The 30cc capacity is ideal for numerous Holley and Demon carburetor applications, providing the correct volume of fuel for optimal off-idle and mid-range acceleration. This direct replacement component ensures a perfect fit and restores the critical function of your accelerator pump, making your carburetor feel new again.

  • Premium Viton Material: Offers superior chemical resistance and extended durability against modern fuels.
  • Optimized 30cc Capacity: Delivers the precise fuel shot for crisp throttle response.
  • Broad Compatibility: Suitable for use with both gasoline and alcohol-based fuels.
  • Direct Replacement: Ensures a perfect fit for Holley and Demon carburetors.
  • Eliminates Hesitation: Restores immediate fuel delivery for smooth acceleration.

Why Viton Makes a Difference in Your Fuel System

Choosing a Viton diaphragm is a smart investment in the longevity and performance of your carburetor. Its advanced material properties prevent swelling, hardening, and cracking that often plague lesser materials, especially when exposed to aggressive fuel additives or alternative fuels. By ensuring a consistent and reliable fuel pump action, this Holley diaphragm helps maintain peak engine performance and prevents costly carburetor issues down the line. For all your essential carburetor repair and upgrade needs, trust the quality and selection available at GGCRACING.

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