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

Small 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 manufactured from aircraft quality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity within the bolt. Meaning these bolts are rated up to 190,000 psi making them stronger than Grade 8 and OEM fasteners. All kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.

Kit Contains:

10 x Long Bolts.
101mm Under Head Length.
7.85mm Shank Length.
1/2-13" thread into Engine.
21.5mm Bolt Head Diameter.

10 x Short Bolts.
63.2mm UnderHead Length.
33.3mm ShankLength.
1/2-13" thread into Engine.
21.5mm Bolt Head Diameter.

20 x FlatWashers.
22.1mm Outside Diameter. 12.7mm Inside Diameter.
3mm Thickness.

AF37-2117