Air and Fuel› Throttle Cables, Linkages, Brackets and Components

Holley

700R4 CARBURETOR KICKDOWN BRCK

$38.17

SKU: H00E 20-121

In Stock
In Stock
Ships by Jul 29
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Holley 20-121 is a kickdown throttle bracket designed for GM 700R-4 automatic overdrive transmissions. It attaches to the throttle lever of Holley Model 4150/4160 carburetors. This bracket corrects the geometry for throttle valve cables and helps provide proper transmission fluid pressure. It is made of steel and features zinc plating for corrosion resistance. Mounting hardware is included.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandHolley
Part NumberH00E 20-121
Weight0.17 lb

Videos

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Adjust Your Engine’s Response with Holley’s Sniper EFI Throttle Extension Lever
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How to Set The Carburetor to Transmission Kickdown On TH-350, TH400, And 700R4 Transmissions

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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