Swap Headers, Small Block Chevy, 1-5/8″ Primary with 2-1/2″ Cast Collector, Center Exit

Ultimate Headers brings its “Muscular Elegance” to update the classic Small Block Chevy Center Dump Block Hugger design.

The design delivers a unique, eye-catching appearance to the engines of street rods, customs cars and trucks.

Plus, you get a complete package – headers, ARP 12-point Stainless Steel header bolts, a pair of matching Cometic HTS header and HTS Collector Gaskets (if applicable).

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  • Patented design (U.S. Patent US D700,554 S)
  • Ultimate Headers’ investment cast 316L Stainless Steel head flanges deliver the new standard of unique, classic appearance merged with high strength 321 Stainless Steel tubes for heat resistance, great looks
  • Unique investment cast 316L Stainless Steel collector delivers increased exhaust flow and exits parallel with the oil pan rail
  • Header design features 1-5/8” tubes with 2-1/2” collectors
  • Perfect for Street Rods, Custom Cars and Trucks
  • Available in Mill, Satin, Mirror Polish, Ceramic Coated Silver and Ceramic Coated Black finishes

Click on image to enlarge

Small block Chevy Dimensions


  • Street rods
  • Trucks
  • Custom cars
Part Number Tube Diameter Tube Gauge Finish List Price
201011 1-5/8″ 18 gauge Mill $595.00
201012 1-5/8″ 18 gauge Satin $815.00
201013 1-5/8″ 18 gauge Mirror Polish $1069.00
201014 1-5/8″ 18 gauge Ceramic Coated Silver $989.00
201015 1-5/8″ 18 gauge Ceramic Black Coated $989.00
As cast flange/mill finish on tubing Satin flange/satin finish on tubing Mirror flange/mirror finish on tubing Mirror flange/silver ceramic on tubing Mirror flange/black ceramic on tubing
As cast flange/
mill finish on tubing
Mirror flange/
satin finish on tubing
Mirror flange/
mirror finish on tubing
Mirror flange/
silver ceramic on tubing
Mirror flange/
black ceramic on tubing

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