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Part number: 300-0502
Universal product
Product Details
ARP 300-0502 Cylinder Head Fasteners
Products specifications
Fastener Finish Black oxide
Fastener Head Style 12-Point
Fastener Material Steel
Fastener Style Stud
Material 8740 Chrome Moly
Notes 5.25 in. overall length.
OAL 5.250
Quantity Sold as a set.
Thread 1.000
Thread Size 7/16 in.
Alternator Stud Kit
7/16 Stud

Alternators that come loose are a pain, so thats why ARP came up with these super tough bolts (your choice of chrome moly steel or polished stainless (ARP 300 both rated 170,000 psi). The stainless has the added advantage of being rust and corrosion resistant.

Alternator Stud Kit
Strange as it may seem, there have been many races lost in oval track, off-road and endurance competition due to the OEM alternator stud failing and the subsequent loss of electrical power. To prevent this from ever happening, conscientious engine builders rely on ARPs bulletproof alternator studs. Theyre made from a premium grade 8740 chrome moly steel alloy and heat-treated to a nominal 200,000 psi tensile strength. They are very rigid and wont bend under the stress of competition, eliminating problems with alternator pulley alignment. Heres more reliable insurance from the innovators at ARP. Available in 5.000 and 5.250 lengths. Includes a 12-point nut and flat washer.

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