Description
Big Block Chevy 4.840” bore center Mild Steel 3/8” thick flanges Primary tube size 2-1/4” and 2-3/8” or 2-3/8” and 2-1/2” available Megaphone merge collectors 3-1/2” to 4-1/2” X 14-1/2” Long
Gaskets & header flange bolts not included.