Beginner — under 30 min
Description
Each diaphragm is sold individually.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 135-3 |
| Weight | 0.07 lb |
Videos
Overview Of The Holley 4150 Vacuum Secondary Carburetor
Tuning Secondaries: Holley Style Vacuum Secondary Carbs (Extra HP)
How to upgrade a Holley vacuum secondary *tuning tip
Holley Vacuum Secondary Tuning EXPLAINED | Holley Carb Secrets | Holley 1850 4160 4150
How To Adjust Holley Carburetor Vacuum Secondary Springs
Holley Carb Vacuum Secondaries NOT Opening? - 5 MIN Tested/Explained/Repaired
holley vacuum secondary tuning
Holley vacuum secondary to mechanical secondary conversion trick
How To Rebuild A Holley Carb, Part 3: Installing The Carburetor And Making Initial Adjustments!
Accelerator Pump Cam Selection And Installation On Holley Carbs
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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