Drivetrain› Differentials and Rear-End Components
RCV Performance
~(3 lbs. 8X8X8)~ Locking Hub 300M Gear Upgrade - Dana 44
SKU: R017 D4342
Moderate — 2–4 hours
Description
MIA's Description
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
| Brand | RCV Performance |
| Part Number | R017 D4342 |
Videos
The Ultimate Axle Upgrade: Why We’re Running 40-Spline RCV Shafts in Our Jeep Rock Bouncer Build
RCV Performance Products Dana 44 CV Axle Install (CVJ440S)
RCV Axles vs Stock Jeep JL Axles
RCV Dana 30/44 JK Unit Bearing Axle Installation
SNAPPING A 300M RCV AXLE
WFO 40 Spline RCV Super 60
RCV CVJ44 Jeep JL Front Axle Disconnect (FAD) axle set INSTALL
RCV Performance Axles - How To: CV Boot Removal
RCV Performance - An American Company
How to Service RCV Axle Shafts
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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