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Dynatech® Late Model Exhaust, 1-3/4 to 1-7/8, Spread Port Chevy 550+HP

SAME DAY SHIPPING! Order within the next 13 hours 32 minutes and receive same day shipping

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Specs
Material Type:
Steel
Sold in Quantity:
Pair
Finish:
Painted
Tube O.D.:
1.75
Port Height:
1.80
Port Width:
1.80
Flange Thickness:
.31
Flange Style:
Spread Port
Collector Diameter :
3.50
Gasket(s) Included:
Yes
Hardware Included:
Yes
Drivers Side Dimension A:
5.50
Drivers Side Dimension B:
6.85
Drivers Side Dimension C:
34.25
Passenger Side Dimension A:
6.35
Passenger Side Dimension B:
6.15
Passenger Side Dimension C:
40.88
Collector Length:
7.50
MFG. Part #:
712-41010
Garage Sale:
No
Header Tube Type:
Chassis
Notes
Collectors are bolt-on style and are 9.25" in length.
Dynatech®® Late Model Exhaust, 1-3/4 to 1-7/8, Spread Port Chevy 550+HP
Dynatech®® Late Model Exhaust, 1-3/4 to 1-7/8, Spread Port Chevy 550+HP
Dynatech®® Late Model Exhaust, 1-3/4 to 1-7/8, Spread Port Chevy 550+HP

Click image to enlarge

Please NOTE the following about this product:

  • This item is sold as a pair.

Details

Reviews

Q & A

What's in the Box

Dynatech® pavement car exhaust systems start with Dynatech®’s 35” equal length headers. Although difficult to construct, equal length headers deliver maximum torque and horsepower and are used by the best drivers and teams in the country.

All Dynatech® 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.

  • CNC laser-cut flange
  • Built to fit with proper clearance
  • Optimized tube length for power
  • 35" equal length primaries for maximum torque and horsepower
  • Valve covers are removable with headers installed
  • Removable collectors
  • Tube Size: 1-3/4" - 1-7/8"
  • HP Range: 550 +

Header Dimension Chart

Application

Fits Standard-Port Chevy Heads in the following chassis:

  • Port City
  • Randercar pre-1998
  • Lefthander
  • Howe XL
  • Victory Circle
  • Townsend
  • ProCraft
  • Pacesetter
  • STR
  • Jackson
  • RPM

Customer Reviews

This product has no reviews.

Product Q&A

2 questions : 2 answers

1 answers

Will these headers fit over a Powerglide transmission?

MikeM43
Northern California
July 06, 2013

Will these headers fit over a Powerglide transmission?

Answers

July 08, 2013
Jason
Speedway offers the following information to help determine fit: Tube O.D. : 1.75 " Collector Diameter : 3.50 " Collector Length : 7.50 " Flange Style : Spread Port Flange Thickness : .31 " Port Height : 1.80 " Port Width : 1.80 " Drivers Side Dimension A : 5.50 " Drivers Side Dimension B : 6.85 " Drivers Side Dimension C : 34.25 " Passenger Side Dimension A : 6.35 " Passenger Side Dimension B : 6.15 " Passenger Side Dimension C : 40.88 " Hardware Included : Yes Gasket(s) Included : Yes Material Type : Steel Finish : Painted Dynatech does not list any notes regarding the powerglide transmission.
1 answers

Will thes fit a Chevy c10 1981

Clay
Nc
May 22, 2015

Will thes fit a Chevy c10 1981

Answers

May 22, 2015
Eric
Expert
No these header absolutely will not fit a Chevy truck. Sorry we do not offer a header to fit your application.
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