Callies - 5UH-31Q-CS
Crankshaft - Compstar - 3.625 in Stroke - Internal Balance - 58X Reluctor - Forged Steel - 1-Piece Seal - GM GenV LT-Series - Each
Compstar LT Dry Sump Crankshaft: Stroke 3.625, Main 2.559, Pin 2.100, Cammed for Rod Length 6.100. Heat Treatment = Ultra Case Deep Nitride, Full internal Balance.