JE Pistons 3V 4.6L -17cc Dish Pistons (.020 Over Bore)
These pistons are designed for 4.6L engines and are compatible with forced induction and nitrous applications. Low compression pistons feature our spherical dish for the ultimate in combustion efficiency. These pistons are race proven in turbo modular motors posting mid 6-second times in the 1/4 mile. 4.6L part numbers now include valve reliefs for either 3V or 4V heads as noted below. Accept 1.5, 1.5, 3.0mm rings.
Pin #866-2500-15-51S (109g)
Double spiro locks (#866-042-CS)
Contact reduction grooves
Double pin oilers