2007.5-2024 Ram 6.7L 68RFE Billet Overdrive Clutch Hub Shaft Upgrade

Name: Tier One Transmissions
Address: 23042 North 16th Lane, Phoenix, AZ, 85027, United States
Telephone: 602-399-5484

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Your Price: $895.00

The stock 68RFE OD hub is a two-piece welded part waiting to fail. Upgrade to our One-Piece 300M Billet OD Hub Shaft to eliminate the weak friction weld. Standard in our Tier One high-performance builds.

Part Number: 68RFE-502

Availability: Call 602-399-5484 for Availability

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Description

Eliminate the Weakest Link in Your 68RFE Geartrain

The Tier One Difference: One-Piece Billet Strength
The stock Overdrive (OD) Hub is a notorious failure point in the 68RFE. As professional builders, we have seen countless stock hubs snap at the factory friction weld or crack at the oil holes, destroying the entire overdrive clutch assembly. That is why we use this One-Piece Billet OD Hub Shaft in our high-performance builds. It eliminates the weak factory weld entirely, giving you the strength to tow heavy and tune high.

The Problem: The "Two-Piece" Factory Flaw

The OEM overdrive hub is actually two separate pieces of metal—a shaft and a hub—that are friction-welded together. Under the stress of a 6.7L Cummins, especially with a tuner or heavy trailer, this design has two major failure modes:

Weld Failure: The friction weld shears, causing a complete loss of power to the overdrive clutches.
Stress Cracking: The stock cast metal is prone to cracking around the lubrication holes. These cracks spread until the hub shatters.

The Solution: 300M Billet Steel

Our upgrade fixes these issues by machining the entire shaft and hub from a single solid block of 300M Billet Steel. By removing the weld and using vastly stronger material, this hub can handle the shock loads that snap stock parts.

Technical Specs & Benefits:

One-Piece Design: Completely eliminates the risk of friction weld failure.
300M Material: Significantly stronger than the stock 4130 steel or standard 4140 chromoly.
Resistant to Cracking: High-strength metallurgy prevents stress cracks from forming at the oil cross-holes.
Drop-In Ready: Designed to fit directly into your 68RFE OD clutch drum without modification.
Towing & Tuning Essential: Highly recommended for any truck with over 600HP or those that tow frequently.

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2007.5-2024 Ram 6.7L 68RFE Billet Overdrive Clutch Hub Shaft Upgrade

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