Ford SB 289 302 351 Windsor Aluminum Valve Covers [Polished] It also features nitrous bosses

It also features nitrous bosses and rear water ports

These control arms are manufactured to strict tolerances to employ a great fit and exceptional performance

351c Cleveland

most notably the cylinder heads

ULP and Premium FuelsAttention: Not for use on stock intake manifolds

Ford SB 289 302 351 Windsor Aluminum Valve Covers [Polished] It also features nitrous bossesCover your valvetrain with a set of Speedmaster cast aluminum valve covers. Their strong die cast aluminum design ensures an excellent gasket seal and dissipates heat better than many other covers. They come in tall and short models, and most include bolt in baffles that can be replaced.