Ignitions and Electrical› Computers, Chips, Modules and Programmers

Hypertech

87 CK 15/25 350 4SP

$158.09

SKU: H01A 127121

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Hypertech 127121 is an engine tuning chip designed for stock 1981-1995 GM vehicles with TBI fuel injection and a 4-speed manual transmission. It provides Hypertech Power Tuning data to control the engine's air/fuel ratio and spark advance for improved performance. This chip is part of the Street Runner series, intended for daily street driving.

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

BrandHypertech
Part NumberH01A 127121

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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