Exterior Components› Body Panels and Components

Sun Coast Converters

SUNCOAST Sonnax Oversized Pressure Regulator Valve Kit 35740-40K

$84.15

SKU: S02K 35740-40K

In Stock
In Stock
Ships by Jun 16
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sun Coast Converters 35740-40K is an oversized pressure regulator valve kit designed for transmissions experiencing insufficient line rise and soft shifts. This kit addresses wear in the reducing valve sleeve and bore, which causes critical line pressure fluid to exhaust to the sump. By reconditioning the bore and installing this kit, proper hydraulic control is restored.

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

BrandSun Coast Converters
Part NumberS02K 35740-40K

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