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With a large 9
AF9231-012-1
With Alloy Weld-On Ring
SKU: AF2251-3080
It's polymer construction is not only lightweight and high strength but also virtually eliminates power-robbing heat soak that occurs with commonly available aluminium intake manifolds
SMALL BLOCK CHEV 3/8-16" HEADER BOLTS .750 UHL LEVERS & BALLS With a large 9Small Block Chev 3 8 16" Header Bolts . 750" UHL Black Finish 12 Point Head, 8740 Material, Sold as a Pack of 12 When installing aftermarket exhaust headers you will need new header bolts, factory exhaust manifold bolts won't work as the flange could be thicker or the original bolts could be damaged. These Aeroflow header bolts are made from chrome moly 8740 material for high strength properties. They are coated in a black oxide for protection and