JE Pistons Ultra Series GM Gen III/IV LS 4.005in Bore/3.622in Stroke Set of 8 Pistons turn14-atp Industry leading custom bonded gasket

Industry leading custom bonded gasket valve body separator plate and gaskets substantially reduces cross leaks compared to stock and other aftermarket kits

The system is finished off with a side exit 4" dia

Roll the cover forward with PrecisionRoll(TM) Technology for 100 percent bed access without compromising visibility

25" diameter into the muffler and 2

JE Pistons Ultra Series GM Gen III/IV LS 4.005in Bore/3.622in Stroke Set of 8 Pistons turn14-atp Industry leading custom bonded gasketManufacturer Part # : 361723 Market Description Ultra Series forged pistons from JE are the industry? s strongest, most fully featured pistons available off the shelf. Offered for a wide range of domestic applications from LS to Big Block and HEMI to Ford Modular, Ultra Series pistons feature JE? s proprietary Aligned Grain Flow forging technology providing next level tensile strength ideal for the extreme cylinder pressures of power adder engine