Big Block Chev 396-454 Head Stud Kit
12 Point Nuts, Suit OEM aluminium Heads, 8740 Grade Material

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Description

Aeroflow Performance head studs 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 a great addition to a mildly modified build as insurance against failure. All head studs provide a more accurate and consistent torque loading over traditional head bolts.

These head studs are manufactured from aircraft quality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity within the stud. Meaning these studs are rated up to 190,000 psi making them stronger than Grade 8 and OEM fasteners. All kits come complete with 12-point nuts and hardened washers for an even load distribution and accurate torque readings.

Specifications

Kit Contains

8 x Extra Long Studs
154mm Overall Length
82.25mm Shank Length.
7/16”-14 thread into Engine Block.
7/16”-20 thread on Nut End.

12 x Long Studs
129mm Overall Length
55.15mm Shank Length.
7/16”-14 thread into Engine Block.
7/16”-20 thread on Nut End.

4 x Mid Studs
119mm Overall Length
46.40mm Shank Length.
7/16”-14 thread into Engine Block.
7/16”-20 thread on Nut End.

8 x Short Studs
75.15mm Overall Length
5.5mm Shank Length.
7/16”-14 thread into Engine Block.
7/16”-20 thread on Nut End.

32 x 12 Point Nuts
7/16”-20 Thread.
18.20mm Outside Diameter.
11.60mm Height.

32 x Flat Washers
19.80mm Outside Diameter
11.20mm Inside Diameter
3mm Thickness