Moroso intake manifold bolts are made from tough Grade 8 steel for high strength, and have a clear zinc plated finish that's great for appearance and corrosion resistance. To ease the installation and removal of modern manifolds, with their very limited clearances, these bolts have 12-point heads and come complete with close-tolerance washers. Choose the lengths needed for your small or big block application.
Grade-8 steel. Twelve 1 1/4 in. bolts and four 1 3/4 in. bolts.
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