Callies Subaru 83mm Stroke EJ Billet Crankshaft Turbo Oiling 3D CAD designed and track

3D CAD designed and track tested

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Tuning Port USB on board

0 XT-R is unparalleled in Subaru bolt-on performance with quick spool

Callies Subaru 83mm Stroke EJ Billet Crankshaft Turbo Oiling 3D CAD designed and trackDesigned for Maximum Effort engines, all SS (Sport Series) crankshafts are finished with the same care and detail as the entire line of Compstar crankshafts. All SS cranks are sold balanced, ready for assembly. SS crankshafts by Compstar feature the best metallurgy and heat treatment on the market today. Subaru EJ20 EJ25 Standard Features: Average weight 18 lbs All rod journals drilled for lightening Material certified by Callies in house