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Air and Fuel› Carburetors and Components

Holley

THERMOCOUPLE BULLET SET 9IN.

$922.95 $882.67 Save $40.28

SKU: H00E 800-TC-B4-SET

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Remanufactured Holley list #4780. Completely refurbished Holley 800cfm double pumper mechanical secondary carb. Features: 2 corner idle, 30cc pump primary side, 50cc pump secondary side, all non-stick gaskets, 6.5 high flow power valve, and ACFI Bright Zinc finish. Carb comes ready to run, retaining factory Holley calibration and jetting. May require tuning due to camshaft, cylinder head, and compression profiles. Core required: accepts any Holley mechanical secondary carb or Demon carb.

Fitment

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Specifications

BrandHolley
Part NumberH00E 800-TC-B4-SET

Videos

Part 1 of 3, Rebuilding a Holley 800 Double Pumper Carburetor

Part 1 of 3, Rebuilding a Holley 800 Double Pumper Carburetor
Holley 800 double pumper test run 2

Holley 800 double pumper test run 2
Holley Double Pumper Carb Rebuild Step by Step

Holley Double Pumper Carb Rebuild Step by Step

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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