![Ford SB 289 302 351 Windsor Aluminum Valve Covers [Polished] the IAC valves adjust the](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/1-314-004-01.jpg?v=1785487097)
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the IAC valves adjust the airflow to improve motor idling
Valve CoversCover your valvetrain with a set of Speedmaster fabricated aluminum valve covers
Speedmaster LS-series cylinder heads are rapidly expanding
They feature extra-thick steel that's double-welded to the ring gear for added strength and anodized for corrosion resistance
The dual plane
Ford SB 289 302 351 Windsor Aluminum Valve Covers [Polished] the IAC valves adjust theCover 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.
