ARP Head Stud Kit - BRZ 2013-2017 / FR-S 2013-2016 View larger

ARP Head Stud Kit - BRZ 2013-2017 / FR-S 2013-2016

ARP-260-4301

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APR Performance

ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi. 

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$312.41

ARP studs are thread rolled after heat-treat, which gives them about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because it's tough on tooling, but the results are well worth the extra effort.

Brand:ARP
Head Alteration Required:No
Length:OEM Spec
Location:Head
Machining Required:No
Material:8740 Chromoly Steel
QTY:12
Mfgr. Warranty:No Warranty

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ARP Head Stud Kit - BRZ 2013-2017 / FR-S 2013-2016

ARP Head Stud Kit - BRZ 2013-2017 / FR-S 2013-2016

ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi. 

Write a review

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