1.600" HD, 11/32" stem. 050" longer.
Manley 1.500" Small Block Chevy Budget Performance Exhaust Valves Set 8 10577-8
Manley Performance 11653-4 Triple Groove Race Master Exhaust Valves (Set of 4)
Manley 10551-1 1.60" Small Block Chevy Budget Performance SINGLE Exhaust Valves
Manley 1.500" Small Block Chevy Budget Performance SINGLE Exhaust Valves 10577-1
Manley Performance Products BBC E/D 1.880in Exhaust Valves 11587-8
Manley Performance Products Pontiac R/M 1.770in Exhaust Valves 11337-8
