Ignitions and Electrical› Computers, Chips, Modules and Programmers

Hypertech

HYP

$167.63

SKU: H01A 129122

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Hypertech 129122 Eprom is a truck stage 2 engine tuning chip designed for stock 1981-1995 GM vehicles that require premium octane fuel. This power chip contains Hypertech's Power Tuning data to optimize the engine's air/fuel ratio and spark advance for maximum power and performance. It is engineered for daily street driving or competition in unmodified vehicles and requires a 160° or 180° thermostat.

Fitment

Fitment Guaranteed

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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.

Available on iOS & Android

Specifications

BrandHypertech
Part NumberH01A 129122

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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