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Just Racing

Just Racing Billet Main Caps w/ ARP 8740 Main Stud Kit Toyota 2JZ JR-2JZ-BM 203-5405

Just Racing Billet Main Caps w/ ARP 8740 Main Stud Kit Toyota 2JZ JR-2JZ-BM 203-5405

Regular price $599.99 USD
Regular price Sale price $599.99 USD
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Just Racing Billet Main Cap Set for Toyota Supra 2J 2JZGE 2JZGTE. Our main caps are manufactured from a solid piece of high tensile steel and manufactured to the highest tolerances than others in the market. As you increase the power your engine makes, upgrading to billet main caps is recommended for that added protection to your engine investment. The factory main caps were not designed for the forces required when increasing the power of your motor exponentially. 

  • Brand: Just Racing
  • Manufacturer Part Number: JR-2JZ-BM
  • Fits: 1JZ-GTE, 1JZ-GE, 2JZ-GTE, 2JZ-GE
  • Notes: All aftermarket main caps require align boring after installation.


ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat-treated in-house to 190,000 psi tensile-strength rating. The precision J-form threads are rolled after heat-treat for much stronger threads than the competition. Kits come complete with hardened parallel-ground washers and high-quality nuts. Add confidence in the strength of your engine build with the ARP main stud kit designed for your application.

  • Brand: ARP
  • Manufacturer Part Number: 203-5405
  • Fastener Style: Stud
  • Main Bolt Style: 2-Bolt
  • Fastener Nut Style: Standard Hex
  • Washers Included: Yes
  • Nuts Included: Yes
  • Fastener Tensile Strength: 190,000 PSI
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