Turn In Concepts AVCS Cam Pulley Bolt v2 (1 piece) | TIC-1001-03-0041

Product Fitment:

2006-2014 Subaru WRX

2004-2007 Subaru STI

2004-2013 Subaru Forester XT

2005-2009 Subaru Legacy GT

2005-2009 Subaru Outback XT

2004-2006 Subaru Baja XT

Note: Sold as a single bolt. 

The Turn In Concepts AVCS Cam Pulley Bolt is a simple but highly effective upgrade for Subaru enthusiasts performing timing belt service, camshaft work, cylinder head rebuilds, or engine assembly on AVCS-equipped EJ engines. Designed to replace the factory internal Allen-head cam gear bolt, this upgraded bolt features a durable 17mm hex-head design that dramatically improves tool engagement and helps eliminate one of the most frustrating issues encountered during Subaru engine service—rounded or stripped OEM cam pulley bolts.

Whether you're maintaining a daily-driven WRX or building a high-horsepower EJ engine, the TiC AVCS Cam Pulley Bolt offers improved serviceability while maintaining proper fitment, clamping force, and reliability.

Key Features & Benefits

• Direct replacement for factory AVCS cam gear bolts
• Upgraded 17mm external hex-head design
• Improved tool engagement during installation and removal
• Helps prevent stripped or rounded bolt heads
• High-strength steel construction
• Ideal for engine rebuilds and timing belt service
• OEM-style fitment and functionality
• Corrosion-resistant finish
• Sold individually

Performance & Service Benefits

Factory Subaru AVCS cam pulley bolts are known for being difficult to remove after years of heat cycles and repeated servicing. The OEM Allen-head design can round out during removal, leading to frustrating repairs and additional labor.

The Turn In Concepts upgrade helps:

• Simplify timing belt service
• Reduce the risk of bolt damage
• Improve access during camshaft work
• Speed up engine assembly and maintenance
• Provide greater confidence during future repairs

This small upgrade can save significant time and frustration during engine service.

Construction

• Precision-machined high-strength steel
• Durable corrosion-resistant coating
• Proper thread pitch and dimensions for OEM fitment
• 17mm external hex-head design
• Engineered to maintain factory clamping force

Built for long-term durability, the TiC cam pulley bolt is designed to withstand repeated servicing and demanding performance applications.

Installation Notes

• Designed for AVCS-equipped DOHC EJ engines
• Follow factory torque specifications
• Recommended during timing belt replacement
• Ideal for engine rebuilds and cylinder head service
• Inspect cam gears and related hardware during installation
• Professional installation recommended

Why Choose the TiC AVCS Cam Pulley Bolt?

Turn In Concepts created this upgraded bolt to solve a common Subaru maintenance issue. By replacing the factory Allen-head bolt with a service-friendly hex-head design, future maintenance becomes easier, faster, and less likely to result in damaged hardware. It's an inexpensive upgrade that can save significant time and effort during future engine repairs.