Focus RS Performance
ARP makes the following bolts for our engines. The SP63 are vendor-specific variations but also made by ARP.
Main Studs (151-5407) 16mm 12pt Socket + 4mm Allen, or the stronger SP63 variant.
Crankshaft Pulley aka Harmonic Damper (251-2501) 19mm 12pt Socket, M14x1.5
Flywheel (251-2802) 3/4" (or...