Ford Performance Boss 302R Valve Spring Kit - M-6513-M50BR

Ford Performance Boss 302R Valve Spring Kit - M-6513-M50BR is a Ford Performance chassis upgrade aimed at owners who care about real control, fitment accuracy, and long-term durability. Built around Ford Mustang applications, it is built to tighten response, improve road feel, and give your setup a more confidence-inspiring stance.

Key Features

• Genuine Ford Performance engine valve spring kit with exact part number M-6513-M50BR
• Application-specific design; verify exact year, trim, and options before ordering
• Bolt-on chassis installation; alignment and professional install recommended
• Approximate shipping weight: 1.8 lb
• Built to improve control, stance, and chassis response

Performance Benefits

Expect a more controlled feel in transitions, better confidence through corners, and a stance that looks right without sacrificing component quality. On street-driven vehicles, that usually means tighter response and a more planted feel.

Vehicle Fitment

Ford Mustang. Exact year and trim coverage was not fully specified in the source data, so confirm application by part number before purchase.

Installation Notes

• Professional installation is recommended
• Inspect related suspension components during installation
• Alignment or ride-height verification may be required after install

Emissions Information

Based on the source data for this SKU (EPA:N, CARB:N), this product is not identified as an emissions-system component and is not flagged as affecting factory emissions equipment. Always verify local laws and inspection requirements before installation.