Holden V8 EFI Head Stud KitSuit 304, 308 VN to VT, 12 Point Head, 8740 Grade MaterialBrand: AEROFLOWPart Number: AF37-2030Description: Aeroflow Performance head studs 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. All head studs provide a more accurate and consistent torque loading over traditional head bolts.
These head studs are manufactured from aircraftquality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity within thestud. Meaning these studs are rated up to 190,000 psi makingthem stronger than Grade 8 andOEM fasteners. All kits come complete with 12-point nuts and hardened washers for an even load distribution and accurate torque readings.
Additional Specifications: Kit Contains:
10 x Short Studs.
58.5mm Overall Length.
13.3mm Shank Length.
7/16-14" thread into Engine. 7/16-20" Nut End.
10 x Long Studs.
122mm Overall Length.
75.6mm Shank Length.
7/16-14" thread into Engine. 7/16-20 " Nut End.
20 x 12 Point Nuts.
7/16-20" Thread.
17.6mm Outside Diameter.
11mm Overal Height.
20 x Flat Washers.
17.6mm Outside Diameter. 11.4mm Inside Diameter.
3mm Thickness .