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Est. 1957
ARP

ARP 8740 Chromoly Black Oxide 12pt Head 1/2-20 in x 3.50in Bolt Kit

$29.72

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

ARP 726-3500 head bolt kit. Well-built from 8740 chromoly steel with a black oxide finish for strength and corrosion resistance.

Key Features

  • 12-point head design — easier to access with common sockets in tight spaces.
  • 8740 chromoly steel construction — strong material for reliable clamping force.
  • Black oxide finish — helps prevent corrosion and adds a clean look.
  • 1/2-20 thread size and 3.50 inch length — specific dimensions for proper fitment.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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ARP 8740 Chromoly Black Oxide 12pt Head 1/2-20 in x 3.50in Bolt Kit

$29.72