Ignitions and Electrical› Computers, Chips, Modules and Programmers

Hypertech

CAM/FIR 305EFI AUT W/OD88

$167.63

SKU: H01A 128862

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

Easy — 1–2 hours

Description

The Hypertech ThermoMaster is a power chip for early computer-controlled cars. It recalibrates the Electronic Control Module (ECM) to control the engine's air/fuel ratio and spark advance for maximum power and performance.

This chip is designed for 305 EFI engines with automatic transmissions with overdrive. It is recommended for use with a 160° or 180° thermostat and requires 91 octane fuel. The ThermoMaster can also provide potential gas mileage improvements.

Fitment

Fitment Guaranteed

Don’t gamble
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 128862

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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