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Dynatech Headers, 1-3/4 - 1-7/8 Primary, 3-1/2 Collector, Std Chevy

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Specs
Material Type:
Steel
Sold in Quantity:
Pair
Finish:
Painted
Tube O.D.:
1.75
Port Height:
1.72
Port Width:
1.32
Flange Thickness:
.25
Flange Style:
Rectangular Port
Collector Diameter :
3.50
Gasket(s) Included:
Yes
Hardware Included:
Yes
Drivers Side Dimension A:
21.70
Drivers Side Dimension B:
8.75
Drivers Side Dimension C:
20.00
Passenger Side Dimension A:
16.20
Passenger Side Dimension B:
7.63
Passenger Side Dimension C:
31.25
Collector Length:
7.75
MFG. Part #:
701-26510
Garage Sale:
No
Header Tube Type:
Chassis
Dynatech® Headers, 1-3/4 - 1-7/8 Primary, 3-1/2 Collector, Std ChevyDynatech® Headers, 1-3/4 - 1-7/8 Primary, 3-1/2 Collector, Std Chevy
Dynatech® Headers, 1-3/4 - 1-7/8 Primary, 3-1/2 Collector, Std Chevy

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Please NOTE the following about this product:

  • This item is sold as a pair.

Details

Reviews

Q & A

What's in the Box

  • For Standard Chevy or Crate Engine applications
  • Fits angle or straight plug heads
  • Gaskets, bolts and hardware included

Header Dimension Chart

Application

Fits the following Modified chassis:
  • Harris Chassis
  • Skyrocket Chassis
  • Hughes Chassis
  • Victory Chassis
  • BMS Chassis
  • J Car Chassis
  • Jet Chassis
  • Sardeson Chassis

Item Details

Tube Size: 1.750-1.875 / Coll.: 3.5

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All Dynatech® IMCA Modified headers are built with CNC laser-machined flanges. With port holes accurate to .003" and total warp less than .025", you can be assured that you will get all the performance and quality possible from your headers. 

Fits Harris, Sardeson, Skyrocket, and others. 3-1/2" collector. 

  • Long tube design with proper range of tube lengths to deliver maximum power, but with a flatter torque curve
  • Wide selection of tube diameters to match engine and track combinations
  • CNC laser-machined flanges

Clearance!

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

Dynatech Headers, 1-3/4 -1-7/8 Primary, 3-1/2 Collector, Spread Port
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  • For Standard Chevy or Crate Engine applications
  • Fits angle or straight plug heads
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Header Dimension Chart

Left Side Crash Replacement IMCA Modified Header, 1.75-1.875 Inch Stepped
SKU-31170126511
                        

Left hand side crash replacement Modified headers for Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet and Sardeson.

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Application: Small Block Chevy 

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Right hand side crash replacement Modified headers for Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet and Sardeson.

Tube Size: 1.750-1.875

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