Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.5mm STD Bore 8.5:1 Dish Piston Set with Rings Bumper Guard Pad T43-HDR6 kit features ACT's most

T43-HDR6 kit features ACT's most popular Heavy Duty pressure plate

N38 "H-grade neodymium magnet included in the voice coil to obtain superior control of the mobile crew and superior thermal stability

ARP Ford 351C 12pt Water Pump Bolt Kit

poor launch and power delivery

Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.5mm STD Bore 8.5:1 Dish Piston Set with Rings Bumper Guard Pad T43-HDR6 kit features ACT's mostOur signature "Platinum Series" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability. Manley Piston Set, PIST SUBARU 99. 5mm 1. 130 CD DDISH.