Ford SB 289 302 351 Windsor 12 Point Black Oxide Intake Manifold Stud Kit If it has to seal

If it has to seal right the first time Speedmaster has what you need

These Speedmaster Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume

They will mount anywhere in the engine to eliminate any clearance issues

It is set up to accept a spread bore carb

Ford SB 289 302 351 Windsor 12 Point Black Oxide Intake Manifold Stud Kit If it has to sealSpeedmaster black oxide coated chromoly 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.