Exhaust Manifold Header Chevy LS 67-74 LS1, LS2, LS3 1-7&8' Ban The Sale Of Amazon&Temu

Features

Head Flange: 3/8"

Primary Tube Size: 1-7/8"

Collector Outlet Size: 3"

LS1, LS2, LS3, LS6, LS9 V8 Engines

Gains over 25+ rwhp

Fitment

67-74 GM Chassis With Gen III/IV Small Block Chevy V8 (LS1/LS6/LS2/LS3)