ARP head stud bolts Subaru Impreza EJ20/22/257

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Engine Tuning Engine parts ARP

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Speeding

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ARP Head studs

ARP head stud bolts Subaru Impreza EJ20/22/257 Socket Size : 9/16 12pt, 4mm Allen Thread : M11x1.25 Material : ARP2000 Tightening torque : Tightened in 3 steps. Step 1: 30 ft/lbs Or 40.6 nm Step 2 : 60 ft/lbs Or 81.3 nm Step 3 : 90 ft/lbs Or 122.0 nm Assembly instructions

248.13 GBP