Ford SB 289 302 351 Windsor Freeze Plug Kit 12-point head design and a

12-point head design and a larger-than-stock shank diameter

Designed for C4 transmissions in competitive environments where RPM levels approach or exceed 8

Speedmaster electric water pumps eliminate unnecessary weight and impeller drag experienced at high RPM

and fully capable of handling the extra stress of high-combustion engines

Ford SB 289 302 351 Windsor Freeze Plug Kit 12-point head design and aSpeedmaster freeze plugs will not rot out, like lower cost steel ones. Your new engine assembly deserves the best. Don't get stuck trying to replace a leaking steel freeze plug behind a motor mount a year or two from now! These kits include all of the necessary external block freeze plugs, and cam and oil galley plugs for one complete engine.