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Rocker ratio exhaust: 11
Rated with over an 1100 ft/lb torque rating
Cylinder 4 Cooling Highlights:
[Concept 1] Further Improvement in Cornering Performance
which are then coated by a diffusing gel
Manley Performance Piston Ring Set 99.5mm - Subaru EJ25 Turbo Models (inc. 2006-2014 WRX / 2004-2021 STI) PDM_ornaments-and-emblems Rocker ratio exhaust: 11The Piston Ring Set is available for those of you who need to seal the pistons in the Subaru STI Manley Performance Piston Ring Set 99. 5mm SPECS: 99. 5mm bore 1. 2mm x 1. 2mm x 2. 0mm ring widths are file fit on top and 2nd ring sets A great option for those building a track oriented engine Suitable for street or track Sold as a complete set of piston rings SEAL THOSE PISTONS The Manley Performance Piston Ring Set is available for separate purchase