Description
Small Block Ford 351 Windsor 1/2″ Head Bolt Kit12 Point Head, Suit OEM and AftermarketCylinder Heads with 1/2″ Holes, 8740 Grade Material
Brand: AEROFLOW
Part Number: AF37-2117
Description:
Aeroflow Performance head bolts greatly improve your cylinder head-to-block sealingcompatibilities. This is important in engines with highpower 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 chromolysteel and cold-forged to ensure molecular integrity within the bolt. Meaning thesebolts are rated up to 190,000 psi making them stronger than Grade 8 and OEM fasteners. Allkits come complete with hardened parallel washers for an even load distribution and accurate torque readings.
Additional Specifications: 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.
