JE Pistons Ultra Series GM Gen III/IV LS 4.135in Bore/4in Stroke Set of 8 Pistons turn14-product-not-found-review With no changes (no mapping

With no changes (no mapping or increased boost) a back-to-back test revealed the fitment of the manifold alone saw power increase from 405

Manufacturer Part # : 352100CW

HKS Hose Nipple 10mm (2pcs)

Charge Pipe Kit

Injen Throttle Assist

JE Pistons Ultra Series GM Gen III/IV LS 4.135in Bore/4in Stroke Set of 8 Pistons turn14-product-not-found-review With no changes (no mappingManufacturer Part # : 361733 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