DSS 04-07 Subaru WRX STi Direct Bolt-In 800HP Rear Axle RA8528X4-V2

SKU: 510215 / UPC: RA8528X4-V2

DSS 04-07 Subaru WRX STi Direct Bolt-In 800HP Rear Axle for Your 2004-2007 Subaru WRX STi

For Subaru WRX STi owners seeking a high-performance axle solution, the Driveshaft Shop (DSS) 800HP Direct Bolt-In Rear Axle stands as the go-to choice for handling the intense demands of drag racing, autocross, and rally applications. Engineered with precision and built to endure, this axle delivers reliable power transfer for vehicles producing up to 800 wheel horsepower (WHP), making it the ideal upgrade for 2004-2007 Subaru WRX STi models. Crafted with advanced materials and innovative design, it ensures durability and performance under the most punishing conditions, offering peace of mind for enthusiasts who push their vehicles to the limit.

Why Choose the DSS 800HP Rear Axle?

This axle is meticulously designed to meet the needs of high-performance WRX STi builds, providing a direct bolt-in solution that maintains compatibility with factory hubs while delivering unmatched strength. The Driveshaft Shop, a leader in driveline technology, has incorporated cutting-edge materials like 300M steel and high-grade Chromoly to create an axle that thrives in high-stress environments. Whether you’re launching hard at the drag strip, navigating tight autocross corners, or tackling rally courses, this axle is built to handle the challenge without compromise.

Key Features and Specifications:

• High-Strength Construction: The center bar is crafted from 300M steel, sourced directly from a premium mill, ensuring exceptional durability for hard launches and aggressive driving.
• Upgraded CV Joints: Features a billet Chromoly outer CV and a redesigned inner CV with a full ball-and-cage design, incorporating a larger radius spline plug for enhanced strength and reliability.
• Direct Bolt-In Fitment: Utilizes original spline sizes to seamlessly integrate with stock hubs, requiring no modifications for installation.
• Power Capacity: Rated to handle 700-1000 WHP, depending on application, making it suitable for high-performance builds.
• Dynamic Balancing: Each axle is dynamically balanced at over 9000 RPM to ensure smooth operation and reliability at high speeds.
• Versatile Application: Designed for street-driven WRX STi models that also see track use, including drag, road course, and autocross duties.
• Warranty: Backed by a 1-year manufacturer warranty, providing confidence in quality and performance.

What’s Included in Your Purchase:

• Single Rear Axle: One (1) DSS 800HP Direct Bolt-In Rear Axle (SKU: 510215, UPC: RA8528X4-V2), suitable for either left or right side installation. Note: Sold individually; two axles are required for a complete rear axle upgrade.
• Hardware: Includes necessary components for direct bolt-in installation, compatible with stock 5x114.3 hub patterns.
• Manufacturer Warranty: 1-year warranty covering defects in materials or workmanship. Contact the Driveshaft Shop for warranty claims or inquiries.

Vehicle Fitment:

• Year: 2004-2007
• Make: Subaru
• Model: WRX STi

Notes: Specifically designed for 2004-2007 Subaru WRX STi models with 5x114.3 hub patterns. Does not fit WRX models or other Subaru variants. For fitment clarification, contact the Driveshaft Shop or your retailer.

Important Installation Notes:

• Compatibility Issue: Some users report that the axle’s outboard spline shaft may protrude slightly, potentially interfering with certain wheel center caps. Using thread sealant (e.g., blue Loctite) is recommended to secure the axle nut, as the extended threading may prevent dimpling.
• Professional Installation Recommended: For best results, have the axle installed by a qualified technician familiar with Subaru WRX STi driveline components.
• Non-Refundable After Installation: Per manufacturer policy, this product is non-refundable once installed.

Manufacturer Details:

The Driveshaft Shop, based in the USA, is renowned for its high-performance driveline components. With decades of experience, DSS engineers axles to withstand the rigors of motorsport while maintaining street drivability.