Bolt Kit - Strange Ford 9in Steel Spool

The Bolt Kit - Strange Ford 9in Steel Spool is an essential component for any serious rear axle build or upgrade on Ford 9-inch equipped vehicles. This bolt kit is engineered for users who demand precision in their differential assembly, whether you're building a street rod, drag racer, or high-performance street car. The steel spool design locks both wheels at the same speed, delivering maximum traction during acceleration—ideal for vehicles that require consistent power delivery without wheel slip.

Manufactured by Strange Engineering, a trusted name in differential technology, this bolt kit features precision-engineered fasteners specifically sized and hardened for secure spool installation. The steel construction ensures durability under extreme load conditions, while the carefully specified bolt geometry maintains optimal clamping force without over-stressing the spool housing. The compact design (4 x 1.05 x 4.6 inches) and lightweight 1-pound specification allow for straightforward installation within your differential assembly, maintaining proper alignment and preventing unwanted loosening during high-RPM operation or repeated launch scenarios.

This bolt kit is designed specifically for Strange Engineering steel spools in Ford 9-inch differentials, making it the correct choice for rebuilds, replacements, or new spool installations. Mechanics and enthusiasts installing a performance differential will find this kit essential for proper assembly—using OEM or incorrect fasteners can result in spool slippage and catastrophic differential failure. Whether you're refreshing an existing setup or completing a full rear axle assembly, this bolt kit ensures that your steel spool remains securely fastened and ready to handle the demands of aggressive acceleration and cornering loads.