What happens when you use standard headers on aftermarket cylinder heads? Photo of dimensions for Hedman Chevrolet Block Hugger Headers

BLOCK HUGGERS- 304 STAINLESS STEEL; Chevy LS Series; 1-1/2 in. Tubes-Uncoated

BLOCK HUGGER Headers- 304 STAINLESS STEEL; Chevy LS Series; 1-1/2 in. Tubes; Uncoated

Product Specifications

(PLEASE REVIEW THE FOLLOWING PRODUCT SPECIFICATIONS & FOOTNOTES THOROUGHLY)

  • Tube Diameter 1-1/2 in.
  • Tube Style Block Huggers
  • Collector Style 3-Bolt Gasket Style Flange
  • Air Conditioning Yes
  • Automatic Transmission - Column Yes
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column Yes
  • Manual Transmission - Floor Yes
  • Collector Attachment 2-1/2 in.
  • Collector Size 2-1/2 in.
  • Reducer Outlet Size 2-1/2 in.
  • Exhaust System Dia 2-1/2 in.
  • Contents headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
  • Emissions Notes NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.
  • Engine Chevy LS Series
  • Finish Uncoated
  • Finish Type Uncoated Mild steel
  • Flange Style Standard
  • Flange Thickness 0.375 in.
  • Header Style Block Huggers- Street Rod
  • Notes LS Style Street Rod Header
  • Additional Details Also Fits Vortec Engines
  • Material T304 Stainless Steel
  • Transmission Notes Modification to shifter linkage may be required.
  • Tube Design BLOCK HUGGERS
  • Tube Length Block Huggers
  • Tube Material Thickness 16g
  • Tube Size 1-1/2 in.
  • Variations 62526
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Tuned No
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Crossover Pipe Included No
  • Gasket Or Seal Included Yes
  • Installation Hardware Included Yes
  • Motor Mounts Included No
  • Mounting Hardware Included Yes
  • Reducers Included Yes
  • Y-Pipe Included No
  • Quantity Sold as a pair.
  • Primary Tube Gauge 16g
  • Primary Tube Diameter (in) 1.75 in.
  • Package Contents Set of Headers, mounting hardware and gaskets
  • Header Material T304 Stainless Steel
  • Header Finish Raw
  • Cylinder Head Port Shape Round
  • Cylinder Head Stock Profile Heads
  • Replacement Gasket 27470
  • Replacement Head Flange Gasket 27470
  • California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov
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