661-1005 | ARP M8 x 1.25 40mm Hex Black Oxide Bolts (5/pkg)
661-1005 | ARP M8 x 1.25 40mm Hex Black Oxide Bolts (5/pkg) is backordered and will ship as soon as it is back in stock.
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Metric Thread Bolt Kit
8740 Chrome Moly
M8 x 1.25
40mm UHL
Socket Size: 10mm hex
When you upgrade the performance of your engine, many times you will exceed the capabilities of the factory hardware. ARP has the solution for you. Made out of premium grade 8740 chromoly, these bolts have a strength rated far superior to OE and "aircraft" quality bolts. This material is heat treated to provide a tensile strength in the 200,000 psi range and is an excellent choice for building your high revving all motor, or forced Induction application.
Proposition 65 Warnings.
Cancer and Reproductive Harm. See details below.
Items that are not CARB Legal will not be sold and ship to California or CARB states.
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