Speedmaster Ford SB 289 302 351 Windsor Rocker Stud Girdle Kit Silver 7/16" Polylock Nuts

The Speedmaster Ford SB 289 302 351 Windsor Rocker Stud Girdle Kit is a precision engine component designed for small-block Ford rocker arm assembly. This silver-finished girdle kit includes 7/16" polylock nuts and is engineered to securely hold and align rocker studs on compatible Windsor-based engines, ensuring proper valve train geometry and reducing flex during high-RPM operation.

The kit is purpose-built for Ford 289, 302, and 351 cubic inch Windsor engines, making it an essential upgrade for engine builders, performance enthusiasts, and restoration projects. The polylock nuts provide reliable fastening without vibration loosening, and the silver finish offers corrosion resistance and a professional appearance. This component is ideal for both stock rebuilds and performance modifications where rocker arm stability is critical.

Key Features & Benefits

• Ford Windsor Compatible: Fits Ford SB 289 302 351 Windsor engines with correct rocker stud specifications.
• Silver Finish: Durable silver coating provides corrosion resistance and clean engine bay aesthetics.
• Polylock Nuts Included: 7/16" polylock nuts prevent vibration loosening during engine operation.
• Rocker Arm Stability: Girdle design reduces rocker stud flex and ensures proper valve train alignment.
• Engine Builder Grade: Precision-engineered for OEM and performance engine assembly applications.

Specifications

Ideal Applications

• Ford Windsor engine rebuild and assembly
• Small-block Ford performance modifications
• Rocker arm stabilization upgrades
• Engine restoration and restoration projects