Holden V 8 Main Stud Kit 2 Bolt 253 308 304 Rails etc Included with this are two

Included with this are two 1/8" NPT steel plugs and AF59-2189 metal gasket to suit

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Burst pressure: 300 PSI

Part Number : AF72-2501BLK

Holden V 8 Main Stud Kit 2 Bolt 253 308 304 Rails etc Included with this are twoPart Number: AF37 2230 Aeroflow performance main studs are designed to keep your main caps in placed and stop them walking and frettingwhich can lead to engine failure. These studs are preferred over bolts as they allow you to obtain more accurate torque readings. these main studs are manufactured from aircraft quality 8740 high tensile strength chromoly steel and cold forged to ensure molecular integrity within the stud. Meaning thesestuds are rated