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Est. 1957
ARP

ARP H502 BBC 4 Bolt Main Stud Kit

$145.72

On Backorder

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

Worn-out main bolts can cause bearing issues. This ARP stud kit is a direct fix for your BBC 4-bolt main.

Key Features

  • Stronger than stock — ARP 8740 chromoly steel studs have a 200,000 psi tensile strength rating.
  • Improved clamping force — helps prevent main cap walk and bearing damage.
  • Direct fit — designed to replace factory 4-bolt main studs on BBC engines.
  • Includes necessary hardware — comes with studs, nuts, and washers.

⚠️ 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 H502 BBC 4 Bolt Main Stud Kit

$145.72