ARP fasteners Engine Accessory Bolt Kit, 12-Point Head S/S AR544-9501 BANJOS which gives them about 2000%

which gives them about 2000% (that's twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice)

Description: P-Series Bearings

The OEM windage tray may be used with this panor purchase separately the Aeroflow Performance windage tray AF82-2020 for improved oil control in any application

Above Shoulder length = 20mm

ARP fasteners Engine Accessory Bolt Kit, 12-Point Head S/S AR544-9501 BANJOS which gives them about 2000%Engine Accessory Bolt Kit, 12 Point Head S Sfits SB Chrysler 318 340 360 Wedge Brand: ARP Part Number: AR544 9501 Description: Bolts Inluded In Kit: Intake manifold bolts Valve cover bolts Thermostat housing bolts Alternator bracket bolts Distributor bracket bolts Motor mount bolts Oil pan bolts Coil bracket bolts Header bolts Front cover bolts Water pump bolts Fuel pump bolts NOTE: 1987 & newer EFI engines or those with aftermarket components may