Big Block Chevy DragonSlayer crankshafts are produced on the high quality Callies 8 counterweight forging. These shafts have ample counterweights to be internally balanced without heavy metal up to a 2430 gm. bobweight.
- All 4 rod journals are drilled for improved throttle response and easier balancing.
- Big Block Chevy DragonSlayers receive our proven Dura-Tough heat treatment, ensuring long life and serviceability.
- Each DragonSlayer is shipped with the standard GM damper and timing gear key-way configuration.
- With 2.200 rod journals, 4.000 and 4.250 strokes are available.