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We are in the process of updating our shipping quote system. If shipping is not calculating at checkout please contact the store.
We are in the process of updating our shipping quote system. If shipping is not calculating at checkout please contact the store.
This crank can be fitted to all LS engines ( some needing to be clearanced)
When fitting this crank to a LSA or LS3 with a 4.065 bore the new engine capacity will be 6.6L or 400Ci.
Forged centrally balanced made in the USA crank
Genuine GM forged crankshaft from the Gen V 6.6L L8T
GM Part Number 12708884
- Forged
- 3.860 inch stroke
- 58x crank trigger
- 8-bolt flywheel pattern
- Centre counter weighted design
5.3L and 6.0L iron blocks must be clearanced to use this crankshaft