Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

ALLISON BILLET INPUT SHAFT

$828.73

SKU: S02K A1-109600

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

Advanced — 4+ hours

Description

Built to withstand everything thrown at it, this input shaft is designed for heavy-duty service applications. It is 50% stronger than the OEM shaft and is made from 9310 Vacumelt steel. The shaft is precision ground for high dimensional accuracy and machined with a larger than OEM radius at the turbine spline for added strength.

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 A1-109600

Videos

WCFab 2001 - 2019 Duramax Allison Built Transmission Options

WCFab 2001 - 2019 Duramax Allison Built Transmission Options
How to Rebuild a Allison 1000 Transmission | Duramax

How to Rebuild a Allison 1000 Transmission | Duramax
Building The BADDEST Allison Transmission Ever On YouTube! FULL BREAKDOWN

Building The BADDEST Allison Transmission Ever On YouTube! FULL BREAKDOWN

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