AF37-2117- Small Block Ford 351 Windsor 1/2" Head Bolt Kit 12 Point Head, Suit OEM and AftermarketCylinder Heads with 1/2" Holes, 8740 Grade Material Category_BLOWER STUDS This manual boost controller is

This manual boost controller is easily adjustable from under the bonnet

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AF37-2117- Small Block Ford 351 Windsor 1/2" Head Bolt Kit 12 Point Head, Suit OEM and AftermarketCylinder Heads with 1/2" Holes, 8740 Grade Material Category_BLOWER STUDS This manual boost controller isSmall Block Ford 351 Windsor 1 2" Head Bolt Kit 12 Point Head, Suit OEM and Aftermarket Cylinder Heads with 1 2" Holes, 8740 Grade Material Aeroflow Performance head bolts greatly improve your cylinder head to block sealing compatibilities. This is important in engines with high power adders such as turbochargers, superchargers or nitrous. They can even be agreat addition to a mildly modified build as insurance against failure. These head bolts are