Toyota 4AGE Billet 4340 81mm Stroker Crankshaft

SPOOL 4AGE Crank is a true Billet crankshaft , machined from forged billet 4340 bar stock. Each crank is machined from core stock 4340 on a CNC machine, then nitrided, and final ground.
Rated at 1000HP plus

Crankshaft Specs:

4340 Grade Billet Steel
Fully Counter Weighted
Nitrided Finish
Fully Balanced
Stroke 81mm ( STD OEM Stroke is 77mm )