Drivetrain› Automatic Transmissions and Components

Sonnax

Boost Valve

$112.90

SKU: A750-LB1

In Stock
In Stock
Ships by Aug 5
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sonnax A750-LB1 is a boost valve engineered to enhance the performance of automatic transmissions, specifically those in the A750, A760, A960, and AB60 series. It works in conjunction with stronger pressure regulator springs to optimize hydraulic line pressure. This upgrade aims to improve the overall shifting feel and responsiveness of the transmission. It is a direct replacement part that offers a noticeable improvement in shift quality for compatible transmissions.

MIA's Description

The Sonnax A750-LB1 is a boost valve designed to provide crisp, clean shifts for automatic transmissions. It is part of a line pressure booster kit that includes stronger pressure regulator springs and large-ratio boost valves.

This boost valve fits the A750, A760, A960, and AB60 transmission series.

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

BrandSonnax
Part NumberA750-LB1
CategoryDrivetrain

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.

View Full Return Policy