Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith
Large Image
CLOSE [X]

Dynatech® Long Tube Modified Headers, 1-3/4 - 1-7/8 Primary, 3-1/2 Collector

Price:$312.99
Dynatech® Modified Long Tube Headers Design
Price:
$312.99
PR
In Stock
Item #:
31170110610
Item Details:
1.75"-1.875" Tube w/ 3.5" Collector
Dynatech® Long Tube Modified Headers, 1-3/4 - 1-7/8 Primary, 3-1/2 Collector
Click image to enlarge Click image to enlarge
No video at this time.
 
These Dynatech® Mid-Length Headers are designed to deliver a smooth power band and will fit your BMS, Dirt Works, GRT, Harris, Jet or Shaw chassis. They fit small-block Chevy applications with angle-plug or straight-plug heads and come with gaskets, bolts and hardware.
 
  • Works with angle-plug or straight-plug SBC. 
  • Includes gaskets, bolts and hardware. 

These headers will work with the following chassis:

  • BMS
  • DirtWorks
  • Hot
  • Pro
  • Jet
  • KMod
  • Smiley's
  • Quick
  • Pierce
  • Hoffman
  • Sardeson
  • Victory
  • GRT
  • Harris
  • Shaw

 

  • 31170110610
    MFG. Part #
    701-10610
    Tube O.D.
    1.750" (1 3/4")
    Collector Diameter
    3.500" (3 1/2")
    Collector Length
    7.750" (7 3/4")
    Flange Style
    Rectangular Port
    Flange Thickness
    0.250" (1/4")
    Port Height
    1.700"
    Port Width
    1.340"
    Drivers Side Dimension A
    23.000"
    Drivers Side Dimension B
    5.050"
    Drivers Side Dimension C
    21.380"
    Passenger Side Dimension A
    14.350"
    Passenger Side Dimension C
    29.500" (29 1/2")
    Hardware Included
    Yes
    Gasket(s) Included
    Yes
    Material Type
    Steel
    Finish
    Painted
    Sold in Quantity
    Pair
    Notes
    There is no "B" dimension for the passenger side header.
Email this page
Close [x]
You can send this product by email to a friend!
Enter the required information in the spaces provided below. They will receive an Email with the picture of this product and a link back to our site.
Your Name:
Your Email:
Friends Name:
Friends Email:
Print Page
Our Techs also Suggest the Following:
LEFT Crash Replacement IMCA Modified Header, 1 3/4 Step
Price:
$202.99
EA
In Stock
Item #:
31170110611
RIGHT Crash Replacement IMCA Modified Header, 1 3/4 Step
Price:
$202.99
EA
On Order
Item #:
31170110612
You May Also Be Interested In...
  • Schoenfeld Headers 1186V IMCA Mod Long Primary High Velocity Headers
    Schoenfeld Headers 1186V IMCA Mod Long Primary High Velocity Headers
    Price: $269.99
    More Info
    Schoenfeld Headers 1186V IMCA Mod Long Primary High Velocity Headers
    x 
    							                        
    
                                                        
    These Schoenfeld long primary high velocity modified headers are the "baddest" headers for your IMCA modified with a S/B Chevy engine. Stepped 1-3/4" to 1-7/8" primary tubes and 3-1/2" x 9" collector. For standard port heads. Dirtworks style. 
    Header Dimension Chart
  • Dynatech® Mid Lenght Headers, 1-3/4 Primary, 3-1/2 Inch Collector
    Dynatech® Mid Lenght Headers, 1-3/4 Primary, 3-1/2 Inch Collector
    Price: $249.99
    More Info
    Dynatech® Mid Lenght Headers, 1-3/4 Primary, 3-1/2 Inch Collector
    x 
    							                        
    
                                                        
    These Dynatech® Mid-Length Headers are designed to deliver a smooth power band and will fit your BMS, Dirt Works, GRT, Harris, Jet or Shaw chassis. They fit small-block Chevy applications with angle-plug or straight-plug heads and come with gaskets, bolts and hardware.
    Fits these chassis: 
    • BMS
    • Dirt Works
    • GRT
    • Harris
    • Jet
    • Shaw
    Header Dimension Chart
  • Dynatech® Long Tube Modified Headers, 1-5/8 - 1-3/4 Primary, 3 Collector
    Dynatech® Long Tube Modified Headers, 1-5/8 - 1-3/4 Primary, 3 Collector
    Price: $302.99
    More Info
    Dynatech® Long Tube Modified Headers, 1-5/8 - 1-3/4 Primary, 3 Collector
    x 
    							                        
    
                                                        
    These Dynatech® Long-Tube Headers have longer primary pipes to produce maximum torque and horsepower. They come with gaskets, bolts, hardware and fit small-block Chevys with angle-plug or straight-plug heads. 
    Header Dimension Chart 
    • Includes gaskets, bolts and hardware.  
    • Works with angle-plug or straight-plug SBC. 
    These headers will work with the following chassis: 
    • BMS
    • DirtWorks
    • Hot
    • Pro
    • Jet
    • KMod
    • Smiley's
    • Quick
    • Pierce
    • Hoffman
    • Sardeson
    • Victory 
     
  • Dynatech® Long Tube Modified Headers, 1-3/4 Primary, 3-1/2 Inch Collector
    Dynatech® Long Tube Modified Headers, 1-3/4 Primary, 3-1/2 Inch Collector
    Price: $249.99
    More Info
    Dynatech® Long Tube Modified Headers, 1-3/4 Primary, 3-1/2 Inch Collector
    x 
    							                        
    
                                                        
    These Dynatech® Mid-Length Headers are designed to deliver a smooth power band and will fit your BMS, Dirt Works, GRT, Harris, Jet or Shaw chassis. They fit small-block Chevy applications with angle-plug or straight-plug heads and come with gaskets, bolts and hardware.
     
    • Includes gaskets, bolts and hardware.
    • Works with angle-plug or straight-plug SBC. 
    These headers will work with the following chassis: 
    • BMS
    • DirtWorks
    • Hot
    • Pro
    • Jet
    • KMod
    • Smiley's
    • Quick
    • Pierce
    • Hoffman
    • Sardeson
    • Victory 
    • GRT
    • Harris
    • Shaw