RCM / Arrow 79mm Billet Crankshaft Koyorad Pro Series XP Racing Valve

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

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

15 bar of boost)

Pad dimensions: 43mm pad depth × 20mm thickness

There are no negative elements such as arrow-like straightness and handling that is not affected by the road surface

RCM / Arrow 79mm Billet Crankshaft Koyorad Pro Series XP Racing ValveQuality. 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