What happens when you use standard headers on aftermarket cylinder heads?

ELITE-CORVETTE SB E.O. HEDDER NO A.I.R.- BLACK MAXX

ELITE-CORVETTE SB E.O. HEDDER NO A.I.R.- BLACK MAXX

Product Specifications

(PLEASE REVIEW THE FOLLOWING PRODUCT SPECIFICATIONS & FOOTNOTES THOROUGHLY)

  • Tube Diameter 1-5/8"
  • Tube Style Long Tube
  • Collector Style Ball and Socket Style (Gasketless)
  • Air Conditioning Yes
  • Automatic Transmission - Column Yes
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • Manual Transmission - Floor Yes
  • Collector Attachment 3"
  • Collector Size 3"
  • Contents Header(s), new bolts and gasket(s) to head, reducer(s) and hardware, instructions
  • E.O. # Yes
  • Emissions Notes EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
  • Exhaust System Dia 2-1/2"
  • Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Finish Type BLACK MAXX- Black Ceramic-Metallic Coating
  • Flange Style Standard
  • Flange Thickness 0.375"
  • Header Port Shape Oval Port
  • Header Style Long Tube
  • Key Feature 50 State (No A.I.R.)
  • Notes 63-79 Corvette 283-400
  • Port Shape Oval
  • Power Steering Yes
  • Material Mild Steel
  • Tube Design LONG TUBES
  • Tube Length Long Tubes
  • Tube Material Thickness 14g
  • Tube Size 1-5/8"
  • Variations 66307, 67308
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Reducer Outlet Size 2-1/2"
  • Tuned No
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Collector Bolts Included Yes
  • Crossover Pipe Included No
  • Gasket Or Seal Included Yes
  • Installation Hardware Included Yes
  • Motor Mounts (Included) No
  • Mounting Hardware Included Yes
  • Reducers Included Yes
  • Transmission Mount/Crossmember (Included) No
  • Y-Pipe Included No
  • Quantity Sold as a pair.
  • Primary Tube Gauge 14g
  • Primary Tube Diameter (in) 1.625"
  • Package Contents Header(s), new bolts and gasket(s) to head, reducer(s) and hardware, instructions
  • Header Material Mild Steel
  • Header Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Cylinder Head Port Shape Oval
  • Cylinder Head Stock Profile Heads
  • Header Construction ELITE Heavy-Duty
  • Replacement Gasket 27500
  • Replacement Head Flange Gasket 27500
  • California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov
×