Ignitions and Electrical› Distributors, Magnetos and Crank Triggers

Trans-Dapt

Hei Advance Curve Kit

$23.89

SKU: T01F 4933

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Trans-Dapt Performance 4933 is a distributor advance curve kit designed to increase engine advance at lower RPMs. This kit is intended for GM type HEI distributors and is not compatible with computer-controlled HEI systems. It includes advance weights and advance limit bushings, with six springs provided.

Fitment

Fitment Guaranteed

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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

BrandTrans-Dapt
Part NumberT01F 4933

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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