MANLEY 11509-1 Exhaust Valve Race Series (1.880" Head Dia., 5.422" O/A Length, 0.3715" Stem) for CHEVROLET Big Block ymm_10 2015-2016 Porsche Boxster (981) GTS Description MANLEY 11886 1
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Description
MANLEY 11509 1 Exhaust Valve Race Series (1.880" Head Dia., 5.422" O A Length, 0.3715" Stem) for CHEVROLET Big Block ymm_10 2015 2016 Porsche Boxster (981) GTS Description MANLEY 11886 1 2015 2016 Porsche Boxster (981) GTS MT PDK WM The size of the inlet elbow has increased by over 170% to maximise the amount of air that can physically flow to the turbo from the inlet tract 3715" Stem) for CHEVROLET Big Block Seat Width: 0