Product Summary

  • Engineered to eliminate main cap walk and fretting
  • Will also protect the threads in your engine block
  • All kits come complete with hardened parallel-ground washers and high quality nuts
  • Studs are manufactured from 8740 Chromoly steel and are heat-treated in-house
  • J-form threads are rolled after the heat-treat process to create a fastener that is 1000% stronger
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Key Specs

MFG. Part #234-5608
BrandARP
Fastener StyleStud
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Need To Know

Quick and Easy Returns

Return Policy

ARP 234-5608 Details

GM LS Engine Main Stud Kit

ARP Main Stud kits eliminate main cap walk and fretting, as well as protect the threads in your engine block. All kits come complete with high quality nuts. The studs are manufactured from 8740 Chromoly steel, heat-treated in-house to 190,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others.

  • Ten Inner studs - 4.770 long
  • Ten outer studs - 4.550 long
  • Ten side bolts - M8 bolts
  • Twenty  8740 chorme moly 12 point nuts
  • Ten windage tray 6 point nuts
  • 1 oz. pack of ARP ultra-Torque Fastener Assembly Lubricant

Charts

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

ARP 234-5608 Specifications

KEY SPECS
MFG. Part #234-5608
BrandARP
Fastener StyleStud
GENERAL
Sold in QuantityKit
GTIN Code672036023034
Main Bolt Style6-bolt
Fastener Nut StyleStandard Hex
Fastener Yield Strength190,000 psi
Washers IncludedNo

Ratings & Reviews

5

4 Reviews

Overall Assessment

Customers confirm the high-quality and practicality of our product, consistently praising its usability and top-notch material quality from ARP. Reviewers also laud the product's superior features distinguishing it from competitor offerings. This confirmed excellence in performance has led customers to highly recommend our product. The summary presents a positive customer satisfaction rating and elevates our product's standing above competitors.

5

4 reviews

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Great product

5.0

8 months ago

Jeremy

Geismar, LA

Verified

Happy to use them in my new build

Would Recommend

As advertised

5.0

10 months ago

Jeremy

Geismar, LA

Verified

Exactly what I expected from ARP

Would Recommend

Yes

5.0

10 months ago

2004

Edgerton wi

Verified

There work great

Would Recommend

As described and arrived fast

5.0

2 years ago

Thomas

Texas

Verified

Arp is always top notch product, speedway has fast and safe delivery.

Would Recommend

Showing 4 of 4 reviews

Questions & Answers

1 Question • 1 Answer

will these work with a 2009 lc9 ls motor

by ray

• 11 months ago

1 answer

1 of 1 questions shown

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