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80mm 125° Exhaust 264° 222° 10
larger turbochargers produce even more
Kit includes clutch disc
SB10-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc
GT2554R aka GT25R
GSC Subaru EJ Series EJ205-EJ207-EJ257 Chrome Polished Exhaust Valve - 32mm Head (STD) - Set of 8 Breather Caps and Fittings 80mm 125° Exhaust 264° 222°Stem Diameter (mm) 6. 0mm Overall Length (mm) 104. 37mm Head Diameter (mm) 32mm When creating our new valve line we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on