Description
Ford Cleveland 302-351Head Bolt Kit12 Point Head, Suit OEM and Aftermarket Cylinder Heads, 8740 Grade Material
Brand: AEROFLOW
Part Number: AF37-2120
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:
20 x Bolts.
113.2mmUnder Head Length.
9mm Shank Length.
1/2″-20 thread into Engine.
18.7mm Bolt Head Diameter.
20 x FlatWashers.
21.75mm Outside Diameter.
13.15mm InsideDiameter.
3mm Thickness.