Drivetrain› 4x4 Driveline Components

Advance Adapters, Inc

3/4 SPACER/ROTATION RING

$104.32

SKU: A01D AS-8603

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

Moderate — 2–4 hours

Description

The Advance Adapters AS-8603 is a 3/4" spacer/rotation ring designed to resolve fitment issues in Atlas transfer case conversions. It addresses variations in transmission output shaft lengths that can cause a bottoming-out effect. This spacer is an option when trimming the output shaft is not feasible or desired due to insufficient splines.

Fitment

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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

BrandAdvance Adapters, Inc
Part NumberA01D AS-8603

Videos

2013 JK Build Part 14: Advance Adapters Atlas 2 Transfer Case

2013 JK Build Part 14: Advance Adapters Atlas 2 Transfer Case
Advance Adapters RubiCrawler for Jeep TJ and JK Wrangler

Advance Adapters RubiCrawler for Jeep TJ and JK Wrangler

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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