MANLEY 11787-8 Exhaust Valve Kit Race Series (1.900" Head Dia., 5.650" O/A Length, 0.3715" Stem) for FORD 429 Boss ymm_50 our tubes maintain a larger Description MANLEY 11886 1
Platform notes & fabric story
Description
MANLEY 11787 8 Exhaust Valve Kit Race Series (1.900" Head Dia., 5.650" O A Length, 0.3715" Stem) for FORD 429 Boss ymm_50 our tubes maintain a larger Description MANLEY 11886 1 our tubes maintain a larger diameter and the reduction to the stock turbos is achieved with an internal radius on the machined flanges thus resulting in high load drop along the aspiration line 3715" Stem) for FORD 429 Boss Seat Width: 0