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ARP Main Cap Side Bolt Kit for FRPP 5.0L Boss Cast Iron Block

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  • Item #18257
  • MPN# 156-5203

  • Market Price $64.99
  • You Save 12% ($7.73)
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  • Upgraded Hardware
  • 12 Point Head Design
  • Made from 8740 Chromoly Steel
  • Black Oxide Finish
  • Rated at 200,000 psi
  • Made in the USA
  • Includes Side Bolts Only
  • Fits Ford Racing - Boss 5.0L Cast Iron M9 Block
Performance Upgrade. Securely install your Mustangs main caps by replacing that old weak stock hardware with high strength ARP Fasteners. ARP Fasteners are ideal for high performance street and track Mustangs.

Premium Quality. Made in the USA from 8740 chromoly steel with a black oxide finish to resist corrosion, these ARP High-Performance Series Main Cap Side Bolts are hardened to a tensile strength of 200,000 psi to provide superior strength for long-lasting performance. They feature a wide-area flange to provide even load distribution during torquing.

Application. This ARP Main Cap Side Bolt Kit is designed for use on cast iron M9 Ford Racing Boss 5.0L engine blocks. Includes Side bolts only.

Fitment: 2012 2013 Details

What's in the Box
  • (10) Bolts
  • (10) Washers
Installation Info
Will it fit my Mustang?
  • Boss 302 - 12, 13

Designed to fit Ford Racing - Boss 5.0L cast iron M9 engine blocks only.

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