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HOLLEY 30Cc Pump Diaphragm (Gflt)

HOLLEY 30Cc Pump Diaphragm (Gflt)

£22.48 Inc. VAT

SKU: HOL135-10 Categories: , , Brand:

Description

Part Number: 135-10

Holley 30cc Accelerator Pump Diaphragm (GFLT / Viton)

Ensure instant throttle response and prevent fuel leaks with the genuine Holley 135-10 30cc GFLT accelerator pump diaphragm. Engineered specifically to withstand modern pump fuels, ethanol blends, and race alcohol.

Key Features

  • ☑ High-grade GFLT / Viton fluoroelastomer compound for maximum fuel resistance
  • ☑ Designed for standard 30cc Holley and Demon accelerator pump housings
  • ☑ Fully compatible with modern pump gas, E85, E10, and race methanol/alcohol
  • ☑ Prevents stumble or hesitations during rapid throttle activation
  • ☑ Genuine Holley quality for precise fitment and long-lasting durability

Technical Specifications


Brand Holley
MPN 135-10
Pump Capacity 30 cc
Material GFLT / Viton Compound
Fuel Compatibility Gasoline, E10, E85, Alcohol / Methanol
Application Holley / Demon 4-Barrel Carburetors

What’s Included in the Box

  • 1x Holley 135-10 30cc GFLT Accelerator Pump Diaphragm

Built to uncompromising motorsport standards, genuine Holley components ensure top-tier performance on the road and track. Order from JP Racing today for expert technical advice and fast UK dispatch directly to your workshop.

Frequently Asked Questions

The standard rubber diaphragm (such as Holley 135-5) is designed for conventional pump petrol and can harden or degrade when exposed to modern ethanol-blended fuels or race alcohol. The Holley 135-10 uses a GFLT / Viton fluoroelastomer material that withstands ethanol (E10/E85) and pure methanol, offering enhanced longevity and fluid resistance.

The Holley 135-10 is engineered for standard 30cc accelerator pump housings used across the vast majority of Holley, Demon, and Quick Fuel 2-barrel and 4-barrel carburettors. If your carburettor features a standard 4-screw 30cc pump housing, this diaphragm is a direct drop-in replacement.

No, the Holley 135-10 contains the single replacement 30cc GFLT accelerator pump diaphragm unit with its pre-attached center rivet/button. Re-use your existing pump housing cover screws and internal return spring, or purchase them separately if required.

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