Designed 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 Metallurgical lab
Ultra-Case nitriding performed and certified in house
All journal diameters are held to .0005″ tolerance
