Competition Headers
• 265-400 Chevy Small Block V8
• 1969-1991 Blazer, Suburban, Jimmy, Yukon 2DR 4WD
• 1963-1987 1/2, 3/4, & 1 Ton Truck 4WD
• 1.625'' x 27'' Primary Tubes
• 2.5'' x 8'' Collector
• Metallic Ceramic Coated
  
  
  Footnotes:
• Will not fit angle plug heads.
• Applications with oxygen sensors use reducers 555-30010 for 2-1/2' three bolt flange.
• Looking for a high performance finish to your Custom dual exhaust? Use Hooker dual pipe kits:
  For 69-72 Blazer, Jimmy, Yukon 4WD - 520-16527
  For 73-91 Blazer, Jimmy, Yukon 4WD - 520-16528
  For 73-87 1/2, 3/4 & 1 Ton Trucks 4WD - 520-16526
  
  Accessory Compatibility:
• Power Steering - Yes
• Power Brakes - Yes
• Air Conditioning - Yes
• Smog Pump - Requires Modifications
• Alternator/Generator - Yes, engines with alternator/generator mounted on the cylinder head require additional brackets:
  Driver side mount will require 520-10927 and 520-10928
  Passgr side mount will require 520-10922 and 520-10928
  
  Transmission Compatibility:
• Manual Column Shifter - Yes
• Manual Floor Shifter - Yes
• Automatic Column Shifter - Yes
• Automatic Floor Shifter - No
  
  Included Items Note: Bolts and Gaskets Included, Reducers required
  
  Port Shape: SAP

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART