ARP Head Studs

ARP Head Studs

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ARP Head Studs

Overview

Obtaining the optimum cylinder head-to-block sealing is especially critical in small displacement engines employing high compression pistons or power adders like turbochargers, nitrous oxide and superchargers. That's why ARP head studs are popular among leading Sport Compact/Import racers.

The ends of the studs are broached to facilitate easy installation. This feature also enables the cylinder head to be removed in tight quarters. Also included in each kit are heat-treated, chrome-moly steel 12-point nuts and parallel-ground washers. They are black oxide finished for extra durability.

The 4-way adjustable fiberglass reinforced snaps hold up in all weather conditions. Snaps along all four sides will keep the cover secure at all times and thanks to the "SnapStoppers" will never fall off while the top is rolled up.

Overview
  • Uses premium grade 8740 alloy rated far superior to "aircraft quality"
  • Head-treated to 200,000 psi
  • Thread rolled after heat-treat for 10 times better fatigue strength
  • Black oxide finished for extra durability
  • Ends are broached to facilitate easy installation
  • Manufactured to exact tolerances
  • Heat-treated, chrome-moly steel 12-point nuts and parallel-ground washers included in each kit