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ARP Head Studs for 03+ Lancer Evolution 4G63


205.00 CHF 205.00 CHF 205.0 CHF

205.00 CHF

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ARP Head Studs for 03+ Lancer Evolution 4G63

Hersteller: ARP

Price incl. VAT plus shipping.
Worldwide shipping.

ARP® uses a premium grade 8740 alloy that is rated far superior to ''aircraft'' quality. This alloy is heat-treated to 190,000 psi for 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. 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 won't happen with inferior quality head studs. 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).