Speedway Motors has racing headers to fit many different chassis, from late models to IMCA Modifieds. We also stock a great selection of header kits, collectors and tubing so you can repair your damaged headers or fabricate a custom set for your application. Speedway can also help you reduce heat and noise with header wraps and racing mufflers.
NewDynatech Modified 604 Crate Engine Headers, 1-1/4 Inch Triple-Step Long Tube(Part #31170117410)x
These modified stainless steel race headers are engineered for use with 604 Crate Engines. These headers are specially designed for Jet, Rage, Edge, Addiction, and Razor chassis.Shaw, Hoffman, and Dirtworks chassis.
- 1-1/4" raised
- Jet, Rage, Edge, Addiction, and Razor chassis
- Stainless Steel for increased header life
- TIG Welded
- Triple-step long tube design
- 9" long collector
- 3" collector outlet diameter
- Gaskets and bolts inclduded
- Accomodates raised and offset engine positions
- Laser cut flanges with 604 crate port design
$3.99More InfoSteel Exhaust Collector Ring, 2-1/2 Inch(Part #91013369)x
Mild steel flanges can be welded to exhaust pipes, mufflers or header collectors so your exhaust system can easily be unbolted and removed. Flanges are 1/4" thick and feature the common 3-bolt mount pattern.
$3.99More InfoHeader-to-Collector Weld Tab(Part #9172020)x
You can weld one half of this tab to your headers and the other to the collector/muffler allowing you easy disassembly while keeping the exhaust together. Includes two individual tabs and one bolt with nut.
$14.99More InfoCombo Exhaust Bend/Header Tubing, 2 Inch(Part #91013874)x
Mild steel combo exhaust bends for building or repairing headers. 16-gauge tubing with 2" O.D.
$284.99More InfoNewDynatech 604 Crate Engine Modified Headers(Part #31170116110)x
These modified race headers are engineered for use with 604 Crate Engines. They are specially designed with a port to get the most power out of your crate engine.
These 604 Crate Engine Modified Headers have been designed specifically for use with 604 Crate Engines. Special designed port to get the most power out of your Crate Engine. Built to fit Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet and Sardeson style chassis. CNC Laser Cut Flanges and optimized tube length for best overall performance. 17 gauge steel construction and surfaced flanges make this a durable header that remains leak free for multiple racing seasons. Comes standard with a Full One Year Warranty. ½ sets (Crash Replacements) are also available. - See more at: http://www.afcodynapro.com/Dynatech®/925945806#sthash.fPjMVO3H.dpufThese 604 Crate Engine Modified Headers have been designed specifically for use with 604 Crate Engines. Special designed port to get the most power out of your Crate Engine. Built to fit Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet and Sardeson style chassis. CNC Laser Cut Flanges and optimized tube length for best overall performance. 17 gauge steel construction and surfaced flanges make this a durable header that remains leak free for multiple racing seasons. Comes standard with a Full One Year Warranty. ½ sets (Crash Replacements) are also available. - See more at: http://www.afcodynapro.com/Dynatech®/925945806#sthash.fPjMVO3H.dpuf
- These headers fit Harris, Skyrocket, Hughes, Victory, BMS, J Car, Jet, and Sardeson style chassis
- CNC laser cut flanges and optimized tube length for efficient performance
- Constructed of 17 gauge steel
$49.99More InfoDEi 010127 Titanium Exhaust Wrap, 2 Inch x 50 Ft Roll(Part #9101127)x
This exhaust wrap by Design Engineering, Inc. is made from pulverized lava rock and can stand 1800 degrees directly or 2500 degrees indirectly. Perfect for those extreme conditions and you don't need to use any spray-on coatings with it. Resists abrasion for longer life.
- Constructed from pulverized lava rock - titanium-like strength and toughness
- Reduces underhood temps resulting in cooler air intake for improved performance
- Able to handle 25% more heat than conventional wrap
- Capable of handling more heat than any other wrap found in the market today
- It’s pliable - no need to wet the wrap when wrapping tubing
- Will not shrink
- More resistant to temperature/vibration break-down, abrasions, chemical and hot oil spills
- Very cool carbon fiber look
Works best on Stainless Steel headers.
Instruction Sheet (PDF)
$0.99More InfoCollector Gasket - 2 1/2 Inch Inside Diameter(Part #91013702)x
Collector gaskets available in several sizes.
$9.99More InfoSpeedway Shorty Race Mufflers, 8 x 3 Inch(Part #91783030)x
These shorty race mufflers are useful when the rules say you must run a muffler, but do not specify a noise level. All steel construction with no fillers to burn out.
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$7.99More InfoAllen Head Header Bolts, 3/8 Inch-16 x 3/4 Inch Long(Part #550916)x
These bolts feature an Allen head type. They are perfect for headers and work well for other applications also. Allen Head header bolts have 3/8"-16 X 3/4" long threads.
- Overall Length: 1.12"
- Under Head Length: 3/4"
- Thread Pitch: 3/8"-16
- Wrench Type: Allen
- Set of 12 bolts
$215.99$257.99More InfoLeft Side Crash Replacement Dirt Late Model Header, Spread Port Flange(Part #31171215411)x
Left hand side crash replacement Dirt Late Model Headers with Spread Port Flange for American Made, Barry Wright, Bullitt, Morris, Rocket, Swartz and others with 2 5/8" offset & 6" setback.
Tube Size: 1.750"-1.875"
$131.99$139.99More InfoDynatech 780-14630 Elbow Kit w/ Hardware, 3 Inch Tube Clamps(Part #31178014630)x
Designed to best work with Dynatech® pavement late model economy crossover headers.
- (4) 3" elbows:
- (1) 42 degree, 8.50" long
- (1) 60 degree, 12.88" long
- (1) 42 degree, 12.50" long
- (1) 30 degree, 13.63" long
(4) tube clamps and hardware
- (4) 3" elbows:
$135.99$170.99More InfoLeft Side Crash Replacement IMCA Mod. Header, 1-3/4 Inch, Small Block Chevy(Part #31170118811)x
Left hand side crash replacement headers for Modified design for GRT, Kosiski, Smileys and TRE.
Tube Size: 1.75"
Application: Small Block Chevy
$303.99More InfoDynatech 790-00100 Ceramic Coating Option for Headers(Part #31179000100)x
Great option for increasing the life, horsepower and appearance of your new Dynatech®s. All headers purchased with this option are coated inside and outside. The coating will significantly reduce the underhood temperature of your car - which translates into a small horsepower gain, not to mention it it makes those headers look great! Headers purchased with this ceramic coating come with a lifetime rust-through warranty and a customer satisfaction guarantee.
Note: This option can only be ordered in conjunction with Factory Shipped Dynatech® products.
$6.99More InfoDynatech Header Bolts, M8 x 1.25 mm, Pack/12(Part #31179450112)x
Dynatech® has a wide variety of metric header bolts to fit your heads.
$18.99$19.99More InfoDynatech 794-60207 Mild Steel J-Bend, 2-1/4 Inch(Part #31179460207)x
Dynatech® stocks a complete inventory of mandrel bent J-bends. These are made from premium grade mild steel tubing. The bend radius of each tube is 1.5 times the O.D. of the tubing.
$6.99$7.99More InfoSpeedway Extreme Gaskets, 2-1/2 Inch Collector Gaskets(Part #91013540)x
- Reusable triple-layer gasket
- Stainless steel with a heat-resistant, rubber-based inner core
- 0.085” thick, ultra pliable
- Easily conforms to surface irregularities to create a tight, leak-proof seal
$18.99More InfoMild Steel Exhaust U-Bend, 2-1/2 Inch(Part #91013856)x
Natural finish (uncoated) 18-gauge mandrel bent mild steel U-bends for building your own weld up headers or replacing bent or damaged header tubing.
- 2-1/2" outside diameter header pipe
- 3" bend radius
$39.99More InfoSpeedway Header and Exhaust Wrap, 1 Inch x 100 Ft, Black Color(Part #91013805)x
If your exhaust runs too close to your brake lines, master cylinder, steering box or even the body, you will cook that item. This easy to use wrap will protect your investment.
- Retains exhaust heat within the tube for increased flow and horsepower
- Reduced underhood temperatures
- Protects surronding components from excessive heat
- Made from a durable, specially treated woven glass fiber material
For a Small Block V8 engine, you will need approximately (2) 2" x 50' rolls. Big Blocks and 180° style headers may require one additional 2" x 50' roll.
$15.99More InfoSchoenfeld Headers 0450 Small Block Mopar Header Gaskets(Part #9170450)x
Schoenfeld header gaskets for Small Block Mopar 273-318-340-360.
$13.99More InfoDynatech 761-10001 Header Exhaust Gasket Set - Small Block Chevy LT1(Part #31176110001)x
Small block Chevy header exhaust gaskets for GM LT1 motors.
$309.99$545.99More InfoDynatech Late Model Exhaust, 1-3/4 to 1-7/8 Inch, Std. Chevy 550+HP(Part #31171141010)x
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 +
Left Side Crash Replacement Late Model Header, Ford N351, 1-5/8 - 1-3/4 Inch(Part #31171060011)x
Left hand side crash replacement Late Model Ford N351 Headers.
Tube Size: 1 5/8" - 1 3/4"
Application: Late Model Ford N351
$16.99More InfoCombo Exhaust Bend/Header Tubing, 2-1/2 Inch(Part #91013896)x
These mild steel combo exhaust bends are perfect for building or repairing headers. They feature smooth mandrel bends with a bend radius of 7" and an outside diameter of 2-1/2".
- Mild steel
- For building or repairing headers
- 16-gauge (0.06" thick)
- 2-1/2" O.D
$29.99More InfoFel-Pro Gaskets 1470 Exhaust Header Gasket for SBC ZZ4/Fastburn(Part #3441470)x
This header exhaust gasket is used on most GM ZZ4 crate engines with Fastburn style heads (with raised 'D' shaped exhaust ports).
$679.99More InfoSchoenfeld 3065VYN Tri-Y Headers for Roush Yates 360 Ford(Part #9173065)x
These Tri-Y racing headers feature 3 inch collectors and allow additional clearance for mufflers. They are designed to work with Roush Yates 360 Ford engines.
- For Roush Yates 360 Ford
- Tri-Y forward sweep design for added muffler clearance
- 3" collectors
- Steel construction
$18.99More InfoARP Fasteners 100-1110 5/16 Inch Head Header Bolts(Part #1011001110)x
- Great for getting the proper torque in tight spaces
- 3/8-16 x 1" threads
- 5/16" hex head
- Set of 16
$5.99More InfoDynatech Header Bolts, 3/8 x 3/4 Inch, Pack/12(Part #31179400112)x
Dynatech® has a wide variety of header bolts to fit your heads.
$28.99$51.99More InfoDynatech Small Block Chevy 23 Deg. Header Flange, 3/8 Thick, 1.63 Port(Part #31179600622)x
A great exhaust system starts at the begining - the exhaust manifold flange. One of Dynatech®s biggest advantages is the wide selection of port machined flanges. All the header flanges are CNC laser machined for unparalleled quality and fit.
- Flanges are sold individually
- Use with Fiber Gaskets (part number 31179400001)