Ford SB 289 302 351 Windsor 12 Point Steel Intake Manifold Bolt Kit Speedmaster flexplates are the best

Speedmaster flexplates are the best on the market

Speedmaster carburetor adapters are designed to allow you to mount most any carburetor on most any manifold

The runner length and the tapered cross-section were designed to perform well for a wide range of engine configurations

Speedmaster master cylinders will increase performance and reliability

circle track and drag racing

Ford SB 289 302 351 Windsor 12 Point Steel Intake Manifold Bolt Kit Speedmaster flexplates are the bestSpeedmaster intake manifold bolts are rated at 170,000 psi. They're precision machined for optimum thread engagement and have a wide area flange for better load distribution. They also feature precision rolled threads, which prevent galling, while promoting more consistent torque loading.