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TIG-welded construction with laser-cut flanges ensures durability and a leak-free seal
and Extreme — using the included handlebar-mounted remote
It replaces aged factory rubber couplers that crack and leak over time
Product 21986 is verified for correct specifications and dimensional accuracy before shipment
ARP 234-4323 ARP Pro Series Cylinder Head Studs Ignition Components TIG-welded construction with laser-cut flangesThe ARP 234 4323 ARP Pro Series Cylinder Head Studs provides superior cylinder head clamping compared to factory TTY (torque to yield) fasteners. These head studs are manufactured from 8740 chromoly steel, heat treated to 190,000 200,000 psi tensile strength, with precision rolled threads for consistent clamp load across every installation. Part 35554 is configured for its specific application with attention to fitment requirements. ARP Pro Series
