Callies Subaru 79mm Stroke EJ Billet Crankshaft FA20 Timing Components that performs extremely well with

that performs extremely well with the 20G-XT aero

All CNC Manufacturing Processes

5XT-R and is pre-calibrated to operate at 15 PSI unless otherwise specified

Callies Billet 79mm Crankshaft

Anti-Lag System

Callies Subaru 79mm Stroke EJ Billet Crankshaft FA20 Timing Components that performs extremely well withDesigned 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