Ratech Copper Crush Washer 0.405in ID — Fits Ford 9-inch Rear End

High-Quality Copper Crush Washers for Ford 9-inch Rear Ends

Proper sealing is paramount in high-performance drivetrain applications. The Ratech Copper Crush Washer set is engineered to provide a reliable, leak-proof seal for your Ford 9-inch rear end. With an internal diameter of 0.405 inches, these washers are crafted from premium copper to deform under torque, creating a secure barrier against fluid leaks.

Why Choose Ratech Crush Washers?

• Precision Sizing: 0.405-inch ID perfectly matched for Ford 9-inch applications.
• Superior Material: Soft copper construction ensures optimal deformation for a tight seal.
• Convenient Pack: Sold as a set of 10, perfect for multiple fasteners or future maintenance.
• Reliability: Designed to withstand extreme pressure and temperature cycles.

Whether you are building a custom rear end or performing a routine gear set swap, these crush washers are an essential component of your assembly. Using fresh washers during reassembly is a best practice to prevent seepage and ensure that your fasteners maintain proper torque specifications. These are a must-have for any serious builder or mechanic working on Ford 9-inch differentials. For all your high-performance hardware and sealing needs, look no further than the selection available at GGCRACING.