MANLEY 11879-8 Exhaust Valve Kit Race Series (1.625" Head Dia., 5.065" O/A Length, 0.3415" Stem) for CHEVROLET Small Block ymm_34 Description JE 279578 Piston Kit Description MANLEY 11886 1
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Description
MANLEY 11879 8 Exhaust Valve Kit Race Series (1.625" Head Dia., 5.065" O A Length, 0.3415" Stem) for CHEVROLET Small Block ymm_34 Description JE 279578 Piston Kit Description MANLEY 11886 1 Description JE 279578 Piston Kit SRP Pro 4032 (4 This results in an improved throttle response and genuine power gains which increase with higher states of tune 3415" Stem) for CHEVROLET Small Block Seat Width: 0