Exterior Components Body Panels and Components

Sun Coast Converters

Suncoast Converters Oversized Servo Pin Kit 77787-03K

$86.86

SKU: S02K 77787-03K

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sun Coast Converters 77787-03K is an oversized servo pin kit designed for use in reconditioned GM 4L60, 4L60-E, 4L65-E, and 4L70-E case bores. This kit matches the longest OE pin length.

The servo pin is constructed from Chromoly Steel, making it suitable for both high-performance applications and stock replacements. This kit helps to cure issues such as pin bore wear, no 4th gear engagement, burnt bands, and 2-3 bind-up.

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

BrandSun Coast Converters
Part NumberS02K 77787-03K

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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