ARP Head Stud Kit – Vauxhall/Opel 2.0 16V (C20XE, C20LET, Z20LET, Z20LEH) 209-4301. Compatible with: C20XE, C20LET, Z20LET, Z20LEH. ARP Pro Series cylinder head studs are cold-forged to maintain maximum material integrity, then heat-treated before precision thread rolling and machining.
