Exterior Components› Body Panels and Components

Sun Coast Converters

Suncoast Converters Boost Valve Kit - Early Style .470 Dia. O-ring Style 77898E-4K

$81.73

SKU: S02K 77898E-4K

In Stock
In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sun Coast Converters 77898E-4K is a boost valve kit designed for automatic transmissions. This kit features a large OE ratio assembly with a .470" diameter valve. It is intended to restore hydraulic integrity and prevent leakage in units with early-style pumps.

Fitment

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Specifications

BrandSun Coast Converters
Part NumberS02K 77898E-4K

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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