JE Pistons Ultra Series GM Gen III/IV LS 4.005in Bore/4in Stroke Set of 8 Pistons NO-DISCOUNT walled tubes to replace the

walled tubes to replace the OEM inner cores that have been known to fail due to weak brazed joints

without sacrificing clean air

Radium Engineering 10AN Coupler Female to Female

Manufacturer Part # : 182015

Manufacturer Part # : 6-02-0873-B

JE Pistons Ultra Series GM Gen III/IV LS 4.005in Bore/4in Stroke Set of 8 Pistons NO-DISCOUNT walled tubes to replace theManufacturer Part # : 361717 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