Description
This Block Hugger style header is meant to be used where space for long tube headers isn’t available due to steering and cross-member clearance issues. Tubing has been optimized for the 5.0L (305ci), 5.3L (327ci), 5.7L (350ci), and 6.6L (400ci) engines. This reduces cylinder backpressure and improves exhaust gas velocity.

Features
Inlet/ Outlet: 1.5"/ 2.5"
Primary Diameter: 1-1/2 in.
Collector Diameter: 2-1/2 in.
Head Flange Thickness：3/8 in. (9.5mm)
Pipe Thickness: 16 gauge (1.5mm)
Reducer and Metal Gasket Included
3-Bolt Flange
TIG Welded CNC Machine Flange
Professional Installation is Highly Recommended
Installation Instruction is not Included
Fitment
Fits All Small Block Chevy V8 Engines from '55+ using the Standard Exhaust Pattern - 283, 305, 327, 350, 400 etc.
⚠️WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.