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Exterior Components› Body Panels and Components

All Balls Racing

All Balls Racing 12-16 Harley-Davidson FLD Dyna Switchback Inner Primary Bearing & Seal Kt OEM style

$58.33 $55.41 Save $2.92

SKU: A0EK 25-3103

In Stock
In Stock
Ships by Aug 8
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

Part #: 25-3103

MIA's Description

The All Balls Racing 25-3103 Inner Primary Bearing Kit is designed for high-performance engines and bikes converted to open primary belt drive. This kit features rubber-sealed bearings for enhanced protection against water, oil, and dirt, along with Chevron SR-1 grease for smooth operation. It also includes hi-performance rust and oxidation inhibitors and precision high-speed bearings manufactured to ABEC3 standards. The kit contains a bore double row angular contact bearing, a snap ring, and an inner primary seal and bearing inner race.

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

BrandAll Balls Racing
Part NumberA0EK 25-3103

Videos

Dime City Cycles: ALL BALLS Bearings and Seals

Dime City Cycles: ALL BALLS Bearings and Seals
All Balls Racing - Jackshaft Assembly

All Balls Racing - Jackshaft Assembly
All Balls Racing - Inner Primary Bearings and Seal Kits

All Balls Racing - Inner Primary Bearings and Seal Kits
All Balls Racing - Wheel Bearings and Wheel Bearing and Seal Kits

All Balls Racing - Wheel Bearings and Wheel Bearing and Seal Kits
proper installation of inner primary bearing race

proper installation of inner primary bearing race
All Balls: Chinese Quality Bearings?

All Balls: Chinese Quality Bearings?
Harley inner primary bearing race installed. with proper tool

Harley inner primary bearing race installed. with proper tool

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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