MANLEY 11747-8 Exhaust Valve Kit Severe Duty Series (1.500" Head Dia., 5.140" O/A Length, 0.3415" Stem) for CHEVROLET Small Block ymm_33 which is perfectly formed to Description MANLEY 11886 1
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Description
MANLEY 11747 8 Exhaust Valve Kit Severe Duty Series (1.500" Head Dia., 5.140" O A Length, 0.3415" Stem) for CHEVROLET Small Block ymm_33 which is perfectly formed to Description MANLEY 11886 1 which is perfectly formed to allow exhaust gases to mix at a precisely defined ratio for perfect flow First Step Diameter: 1 3415" Stem) for CHEVROLET Small Block 000 cycles