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ARP Head Stud Kit 12pt For 2013-2021 Subaru WRX/BRZ & Toyota 86 2.0L FA20F/FA20D
SKU:
260-4301
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- $284.99
- $284.99
- Unit price
- per
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ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Each stud is placed vertically in special racks and precisely heat-treated to 190,000 psi, ensuring complete heat penetration. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part.
ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned. 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. Premium quality parallel ground washers are also included with each kit. ARP head studs are a must for performance engines seeing increased boost, and they are truly the best on the market for your WRX or BRZ.
Features:
- Premium 8740 alloy steel delivers superior strength
- Heat-treated to 190,000 psi for extreme durability
- Thread rolled after heat treat for 10x fatigue life
- Centerless ground studs ensure perfect concentricity
- 12-point chromoly nuts with black oxide finish
- Includes parallel-ground washers for precise fit
- Designed for Subaru FA20 DOHC 2.0L flat-four engine
- Reusable studs ideal for high-boost performance builds
Specifications:
- Fastener Style: Stud
- Undercut Stud: No
- Head Style: 12-point
- Fastener Material: ARP2000
- Fastener Color: Black
- Washers Included: Yes
Included:
- (1) ARP Head Stud Kit
Fitment:
- 2015-2021 Subaru WRX (FA20F)
- 2013-2020 Subaru BRZ (FA20D)
- 2017-2019 Toyota 86/GT
- 2013-2016 Scion FR-S
Note:
- Lifetime Warranty
Product Specs
SKU:
260-4301
Brand:
ARP
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