Speedmaster Ford SB 289 302 351 Windsor Rocker Stud Girdle Kit Black with 3/8" Polylock Nuts

This Speedmaster Ford SB 289 302 351 Windsor rocker stud girdle kit is designed to secure and align rocker arms on small-block Ford Windsor cylinder heads. The black finish kit includes 3/8" polylock nuts, providing reliable fastening for rocker arm studs during engine assembly and rebuilds. The girdle structure helps maintain proper stud alignment and reduces flex, which is critical for consistent valve train performance in street and performance engines.

The kit is compatible with Ford small-block Windsor engines spanning the 289, 302, and 351 displacement range, making it a versatile choice for restoration, modification, and high-performance builds. Polylock nuts ensure fasteners remain tight under vibration and thermal cycling typical of engine operation. This is an essential component for any rocker arm installation or engine rebuild on these classic and modern Windsor-based platforms.

Key Features & Benefits

• Ford Windsor Compatible: Fits Ford SB 289, 302, and 351 Windsor engines for broad application flexibility.
• Black Finish Girdle: Durable black-finished rocker stud girdle maintains alignment and reduces stud flex.
• Polylock Nuts Included: 3/8" polylock nuts secure fasteners against vibration and thermal cycling.
• Complete Kit: All necessary components included for rocker stud installation and assembly.
• Engine Rebuild Ready: Purpose-built for engine reassembly, restoration, and performance upgrades.

Specifications

Ideal Applications

• Small-block Ford Windsor engine assembly and rebuilds
• Classic and vintage Ford engine restoration projects
• High-performance street and race engine builds
• Rocker arm installation on 289, 302, and 351 displacement engines