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800.979.0122

(CST) 7am - 10pm

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Mon-Fri 8am - 5pm

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Dynatech Headers: Pierce, Modified, 1-3/4 - 1-7/8, 3-1/2 Collector

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Specs
Material Type:
Steel
Sold in Quantity:
Pair
Finish:
Painted
Flange Style:
Rectangular Port
Header Tube Type:
Chassis
MFG. Part #:
701-19910
Gasket(s) Included:
Yes
Hardware Included:
Yes
Garage Sale:
No
Tube O.D.:
1.75
Port Height:
1.68
Port Width:
1.32
Flange Thickness:
.50
Collector Diameter :
3.50
Drivers Side Dimension A:
22.80
Drivers Side Dimension B:
3.15
Drivers Side Dimension C:
18.50
Passenger Side Dimension A:
14.30
Passenger Side Dimension C:
26.50
Collector Length:
7.75
Notes
There is no "B" dimension for the passenger side header.
Dynatech®  Headers: Pierce, Modified, 1-3/4 - 1-7/8, 3-1/2 Collector
Dynatech®  Headers: Pierce, Modified, 1-3/4 - 1-7/8, 3-1/2 Collector
Dynatech®  Headers: Pierce, Modified, 1-3/4 - 1-7/8, 3-1/2 Collector

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Please NOTE the following about this product:

  • This item is sold as a pair.
  • This product is discontinued.

Details

Reviews

Q & A

What's in the Box

  • Stepped Tube Design
  • For Standard Chevy or Crate Engine applications
  • Fits angles or straight plug heads
  • Gaskets, bolts and hardware included

Header Dimension Chart

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Header Dimension Chart

Item Details

Tube Size: 1.750 / Coll.: 3.5
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  • Gaskets, bolts and hardware included

Header Dimension Chart

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Item Details

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LH Side Crash Replacement Pierce Modified Chevy Header 1-3/4 -1-7/8 In
(Part #31170119911)
                        

Left hand side crash replacement headers for Pierce Modified design.

Tube Size: 1.750"-1.875"

Application: Small Block Chevy