Following on from the ever popular Harrop Holden 355ci early stroker crankshaft, Harrop is pleased to announce the introduction of our LS1 4.00" nodular iron stroker crankshaft.

Features
- Developed for ultimate durability
- Precision CNC machined and final ground to the most exacting tolerances
- Nodular iron casting for ultimate strength
- Utilises standard and aftermarket replacement harmonic balancer and flywheel assemblies
- Shipping in protective packaging to eliminate transport damage
- 4.00" stroke to increase capacity from 5.7 (346ci) to 6.3 (383ci)
- 4.00" stroke to increase capacity of LS2 from 6.0 (366ci) to 6.6 (402ci)
- Crankshaft supplied complete with installed timing encoder
- Original equipment replacement
- May require "heavy metal" balance depending on rotating component weight