Ford SB 289 302 351 Windsor 12 Point Black Oxide Intake Manifold Stud Kit These Speedmaster Fuel Rails feature

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

Flows 1150 cfm

increases valve train life dramatically

but it can be attached on the vehicle's chassis

the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range

Ford SB 289 302 351 Windsor 12 Point Black Oxide Intake Manifold Stud Kit These Speedmaster Fuel Rails featureSpeedmaster 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.