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U.S.Order Line:

800.979.0122

(CST) 7am - 10pm

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Mon-Fri 8am - 5pm

Canadian Order Line:

855.313.9180

International Order Line:

1.402.323.3200
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Dynatech® Headers, 1-3/4 Primary, 3-1/2 Collector, Standard Chevy

SAME DAY SHIPPING! Order within the next 1 hour 10 minutes and receive same day shipping

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Specs
Material Type:
Steel
Sold in Quantity:
Pair
Finish:
Painted
Flange Style:
Rectangular Port
Header Tube Type:
Chassis
MFG. Part #:
701-16510
Gasket(s) Included:
Yes
Hardware Included:
Yes
Garage Sale:
No
Tube O.D.:
1.75
Port Height:
1.70
Port Width:
1.33
Flange Thickness:
.25
Collector Diameter :
3.50
Drivers Side Dimension A:
24.25
Drivers Side Dimension B:
8.33
Drivers Side Dimension C:
20.13
Passenger Side Dimension A:
16.00
Passenger Side Dimension B:
7.90
Passenger Side Dimension C:
30.75
Collector Length:
7.75
Dynatech®® Headers, 1-3/4 Primary, 3-1/2 Collector, Standard Chevy
Dynatech®® Headers, 1-3/4 Primary, 3-1/2 Collector, Standard Chevy
Dynatech®® Headers, 1-3/4 Primary, 3-1/2 Collector, Standard 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

Item Details

Tube Size: 1.750 / Coll.: 3.5

Application

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

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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 

Right Side Crash Replacement Modified Chevy Header, 1-3/4 Inch
(Part #31170116512)
                        

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

IMCA Modified Header 

Tube Size: 1.750"

Application: Small Block Chevy