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ARP Шпильки ГБЦ Porsche 996

ARP Шпильки ГБЦ Porsche 996

Производитель: ARP

ARP uses premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is precisely heat-treated to 200,000 psi. 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. Its important to note that lesser quality studs are not even centerless ground - the material is thread rolled in bar stock from (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned - something that wont happen with inferior quality head studs. ARP studs are thread rolled after heat-treat, which gives them about 1000% (thats ten times) better fatigue strength than those studs that are threaded prior to heat-treat. You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to shorter studs) more equalizes the "Stretch" of both studs, which makes for a more consistent clamping force - one that compensates for head gasket compression when the head is installed. This helps prevent blown head gaskets, and assures optimum sealing! Premium parallel ground washers are also included with each kit.

Цена: 1090.00$

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Постоянная ссылка на данный товар:
http://toprpm.com.ua/products/arp-shpilki-gbc-porsche-996-5.html