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ARP L19 Series Head Stud Kit for Mitsubishi Lancer Evolution 8/9 & DSM 4G63 7-Bolt

$358.31

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ARP L19 Series Head Stud Kit for Mitsubishi Lancer Evolution 8/9 & DSM 4G63 7-Bolt

$358.31

$358.31

Fits Mitsubishi Lancer Evolution VIII, IX, and 7-bolt DSM models equipped with the 4G63 engine. This ARP L19 Head Stud Kit is the industry standard for high-horsepower builds where extreme cylinder pressures demand superior clamping force compared to standard 8740 chromoly fasteners.

L19 is a premium, vacuum-melted steel alloy that is specifically heat-treated to achieve a typical tensile strength of 260,000 psi. This ultra-high-strength material is designed to prevent head lifting and gasket failure in high-boost or high-compression racing applications. Each stud is centerless ground to ensure perfect concentricity and the threads are rolled after heat treatment to provide significantly higher fatigue strength than inferior fasteners.

  • Manufactured from ultra-high-strength L19 vacuum-melted alloy
  • Rated at 260,000 psi tensile strength for extreme clamping loads
  • Specifically designed for high-boost 4G63 7-bolt engine configurations
  • Precision-machined threads and centerless ground for accuracy
  • Includes all necessary heavy-duty studs, 12-point nuts, and hardened parallel-ground washers

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