Stroker kit?
#3
LS1TECH & Trucks Sponsor
iTrader: (4)
If you are going to try and resuse your stock LS1 block you will have to go with a 383 rotating assembly. The stock LS1 block does not have enough to room to make a 402 or 408. You would need to move to a 6.0l block to be able to run that cubic inch.