Description
Spool Performance ZF 8HP45 / 8HP50 / 8HP51 Billet 300M C-Hub Cog Drive
The factory C-hub cog drive in ZF 8HP45, 8HP50, and 8HP51 transmissions is cast steel. While sufficient for stock power levels, cast steel introduces weaknesses such as porosity, uneven grain structure, and localized stress points, which can lead to failures as torque, line pressure, and shift aggression increase. Typical failure modes include:
- Cog tooth deformation
- Spline wear
- Cracking under shock loads
Spool Performance eliminates these weaknesses by replacing the factory casting with a fully CNC-machined billet 300M C-Hub Cog Drive, engineered specifically for high-torque and high-RPM applications.
Key Features
- Billet 300M Construction: Aerospace-grade, vacuum-melted alloy steel for superior strength and fatigue resistance
- Precision Machining: Tight tolerances ensure accurate cog geometry and even load distribution
- Improved Torque Transfer: Cleaner power delivery, reduced stress concentration, and enhanced shift consistency
- Performance-Ready: Handles elevated power, upgraded clutches, and higher line pressure without compromise
Why Choose This Upgrade?
- Essential for any high-power ZF 8HP45, 8HP50, or 8HP51 transmission build
- Ensures reliable operation under repeated clutch applies and hard launches
- Critical reliability upgrade for motorsport and aggressive street applications
Fitment
Compatible with ZF transmissions:
- ZF 8HP45
- ZF 8HP50
- ZF 8HP51
Applications: Suitable for any vehicle running increased torque, upgraded clutches, or elevated line pressures using these transmissions.
The Spool Performance Billet 300M C-Hub Cog Drive is not optional for high-performance ZF builds—it’s a critical upgrade for reliability, longevity, and optimized torque transfer.
Note: 'New' merchandise may be returned for exchange or refund within 15 days from the date of shipment. 'New' merchandise must be unused and free from installation or mounting damage. Installation or modification of parts waives your right to returns, refunds, or exchanges.
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
