Small block Chev 1955 upwards 265-400 cubic inch V-8
Block hugger stainless steel headers to suit original equipment style straight plug cylinder heads only
One pair of left hand and right hand cylinders as pictured
Primary Tube Diameter 1 5/8 in.
Collector Attachment: 3-bolt flange
Bolts, Gaskets, and Tailpipe reducers are included