• ARP Main Side Bolt Kit | Multiple Ford Fitments (156-5203)
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ARP Main Side Bolt Kit | Multiple Ford Fitments (156-5203)

ARP Main Side Bolt Kit | Multiple Ford Fitments (156-5203)

156-5203

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$60.46 USD
$66.31 USD $60.46 USD
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The ARP Main Side Bolt Kit is a high-performance fastener set designed for multiple Ford applications. Crafted from forged 8740 chromoly steel, these bolts are rated at 180,000 psi, offering superior strength and durability compared to OEM fasteners. The kit features rolled threads after heat treatment, which significantly enhances fatigue resistance by approximately 2,000 percent. Its design includes a reduced wrenching head and a large underhead radius, ensuring reliable torque application and minimizing stress concentrations. These bolts are engineered to meet the demanding standards of professional engine builders, providing a premium replacement option for critical engine components.

Suitable for a range of Ford models, these main cap side bolts serve as direct replacements or upgrades for OEM fasteners in performance and racing engines. They are ideal for high-stress applications such as street performance, track racing, or engine rebuilds requiring enhanced fastener integrity. Installation involves standard bolt replacement procedures, ensuring a secure fit for engine assemblies. The kit includes the necessary bolts, designed to improve engine reliability and longevity under extreme conditions, making them a trusted choice for enthusiasts seeking quality and performance.

Overview

Main Cap Side Bolt Kit by ARP

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

  • Main Bolt Style: 4-bolt
  • Fastener Style: Bolt
  • Fastener Nut Style: Standard 12-point
  • Works with Windage Tray: No
  • Fastener Tensile Strength (psi): 180,000 psi
  • Nuts Included: No
  • Washers Included: Yes

Benefits

  • Large underhead radius
  • Popular premium replacement for OEM fasteners
  • Designed to meet the exacting standards and demands of professional engine builders
  • Forged from 8740 chromoly steel and feature a reduced wrenching head
  • Rolled threads for the utmost in reliability

Please Note: Kit only includes the main cap side bolts. For use on the Ford FMS-M-6010-BOSS50 4.6L deck height Boss block.

Applications

  • 1966 – 1970 Ford Fairlane (Americas)
  • 1966 – 1970 Ford Falcon (North America)
  • 1968 – 1995 Ford Mustang
  • 1968 – 1974 Ford Galaxie
  • 1968 – 1997 Ford E series
  • 1968 – 1986 Ford LTD (Americas)
  • 1969 – 1991 Ford Country Squire
  • 1969 – 1974 Ford Torino
  • 1969 – 1996 Ford F-Series
  • 1969 – 1996 Ford Bronco
  • 1971 – 1977 Ford Maverick
  • 1972 – 1979 Ford Ranchero
  • 1975 – 1980 Ford Granada (North America)
  • 1977 – 1981, 1983 – 1988, 1991 – 1993 Ford Thunderbird
  • 1977 – 1979 Ford LTD II
  • 1978 – 1979 Ford Fairmont
  • 1978 – 1991 Ford LTD Crown Victoria
  • 1996 – 2001 Ford Explorer
  • 1968 – 1969 Mercury Cyclone
  • 1968 – 1976 Mercury Montego
  • 1969 – 1991 Mercury Colony Park
  • 1969 – 1977 Mercury Comet
  • 1975 – 1980 Mercury Monarch
  • 1968, 1977 – 1981, 1983 – 1988, 1991 – 1993 Mercury Cougar
  • 1979 – 1986 Mercury Capri
  • 1983 – 1991 Mercury Grand Marquis
  • 1979 – 1986 Mercury Marquis
  • 1997 – 2001 Mercury Mountaineer
  • 1977 – 1980 Lincoln Versailles
  • 1980, 1982 – 1987 Lincoln Continental
  • 1980 – 1983 Continental Mark VI
  • 1984 – 1985 Continental Mark VII
  • 1986 – 1992 Lincoln Mark VII
  • 1981 – 1990 Lincoln Town Car
  • 1989 – 2003 Laforza

What's In The Box?

  • 10 - Bolts

Warranty

  • Manufacturers Standard Warranty
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