RCM / Arrow 79mm Billet Crankshaft Koyorad Individual cylinder ignition retard and

Individual cylinder ignition retard and fuel enrich

Replaces OEM Part Number:��53560-S04-013

1 bar (16 PSI) and gets the job done for stock driving

Pro Series XP Racing Valve Springs have been tested at speeds exceeding 11

15 bar of boost)

RCM / Arrow 79mm Billet Crankshaft Koyorad Individual cylinder ignition retard andQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision part. Engineering precision detailed cranks begins with only the highest quality materials and a flexible batch manufacturing process. Arrow Precision works to exacting standards creating a Subaru crankshaft reverse