Engines and Components› Cylinder Heads and Components

ARP

ARP 5/16 Inch -18 x 1.250 12pt SS Bolts (5/pkg)

$12.47

SKU: A00M 612-1250

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Description

Part #: 612-1250

Bolt - 5/16-18 in Thread - 1.25 in Long - 3/8 in 12 Point Head - Stainless - Polished - Universal - Set of 5

MIA's Description

The ARP 612-1250 is a 5/16 in.-18 SAE bolt kit featuring a flanged 12-point head style. These stainless steel bolts are polished and made from ARP Stainless 300 material. Each bolt has an underhead length of 1.250 inches and requires a 3/8 inch wrench diameter. Washers are included with this kit.

These bolts are rated at 170,000 psi, providing a significant safety margin over Grade 8 hardware. Their tensile strength is 180,000 psi, making them suitable for demanding applications.

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Specifications

BrandARP
Part NumberA00M 612-1250

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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