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ARP

ARP 134-5203 Main Cap Bolt Set - 7/16" Diameter - 9/16" Hex Head

Part # ARP134-5203 Be the first to write a review

Compatible with vehicles equipped with a World Products Small Block Chevrolet® Motown cast iron engine blocks. Sold as a Kit.

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ARP 134-5203 Main Cap Bolt Set - 7/16" Diameter - 9/16" Hex Head

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ARP High Performance Series main bolts are rated at 180,000 psi and a popular premium replacement for OEM fasteners. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.

Features:

  • Designed to meet the exacting standards and demands of professional engine builders
  • ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability
  • Bolt threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating
  • Hardened parallel-ground washers are included with each kit
Brand ARP
Emission Code5
Engine FamilyChevy Small Block V8
Fastener StyleBolt
Fastener Tensile Strength (psi)180,000
Head StyleHex
Nuts IncludedNo
Product TypeMain Cap Bolts
QuantitySold as a Kit
Washers IncludedYes
UPC672036037741
Manufacturer Part Number134-5203
Part NumberARP134-5203
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Installation Instructions for Part # 134-5203
Designed to fit World Motown cast iron engine blocks.

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