Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith
Loading...
Products
Searched For:

"3 1 2 inch small block headers" Page 1 of 1

  • Corvette-Style 2-1/2 Inch Ram Horn Exhaust Manifolds, Pair
    Corvette-Style 2-1/2 Inch Ram Horn Exhaust Manifolds, Pair
    x
                

    These "rams horn" cast iron manifolds were patterned off the 1962-63 327 Corvette but are not OEM remanufactured manifolds. They feature the big 2-1/2" diameter outlets and have provisions to accept original alternator type brackets.

    These headers are copies of the original headers on the 62-63 Corvettes and can be used on almost any small block application. The cast in brackets are for the water tank on the drivers side and generator bracket on the passenger side. These can be cut off and smoothed per customers preference. These are a square port configuration with 1-5/16” top to bottom and also side to side. Compare to your head port size for compatibility.

    • 1962-63 327 Corvette
    • 2-1/2" diameter outlets
    • 1-5/16" square ports
    • Use on almost any small block application up until the advent of the LS series engines in 1999
    • Use with 3 bolt header reducer/collector
    • Includes (1) left and (1) right side manifold
    • Gaskets and bolts/hardware are not included
  • Small Block Chevy Lake Style Header Kit, 1-5/8 Tube, 3-1/2 Inch Cone
    Small Block Chevy Lake Style Header Kit, 1-5/8 Tube, 3-1/2 Inch Cone
    x
                

    Vintage style street rods are hotter than ever, and nothing gives your fenderless rod an authentic dry lakes competition look like a set of lakester headers. These lake style header kits allow you to build your own headers and tailor them to your vehicle. All tubing comes pre-bent. Tapered cones can be trimmed as needed. Lakester header kit includes parts to complete both sides.

    • 5/16" thick flanges
    • 16 ga. pre-bent tubing
    • Collector flanges w/ block-off plates
    • Flanges for connecting an under-car exhaust system (2.5" O.D.)
    • Gaskets & bolts
  • Corvette Style 2-1/2 Inch Ram Horn Exhaust Manifold
    Corvette Style 2-1/2 Inch Ram Horn Exhaust Manifold
    x
                

    These "rams horn" cast iron manifolds were patterned off the 1962-63 327 Corvette but are not OEM remanufactured manifolds. They feature the big 2-1/2" diameter outlets and have provisions to accept original alternator type brackets.

    These headers are copies of the original headers on the 62-63 Corvettes and can be used on almost any small block application. The cast in brackets are for the water tank on the drivers side and generator bracket on the passenger side. These can be cut off and smoothed per customers preference. These are a square port configuration with 1-5/8” top to bottom and also side to side. Compare to your head port size for compatibility.

    • 1962-63 327 Corvette
    • 2-1/2" diameter outlets
    • Use on almost any small block application up until the advent of the LS series engines in 1999
    • Use with 3 bolt header reducer/collector
    • Sold each, specify right or left.
    • Gaskets and bolts/hardware are not included
  • 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
    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

     

  • Small Block Ford Lake Style Header Kit, 1-5/8 Tube, 3-1/2 Inch Cone
    Small Block Ford Lake Style Header Kit, 1-5/8 Tube, 3-1/2 Inch Cone
    x
                

    Vintage style street rods are hotter than ever, and nothing gives your fenderless rod an authentic dry lakes competition look like a set of lakester headers. These lake style header kits allow you to build your own headers and tailor them to your vehicle. All tubing comes pre-bent. Tapered cones can be trimmed as needed. Lakester header kit includes parts to complete both sides.

    • 5/16" thick flanges
    • 16 ga. pre-bent tubing
    • Collector flanges w/ block-off plates
    • Flanges for connecting an under-car exhaust system (2" O.D.)
    • Gaskets & bolts
  • Schoenfeld Small Block Chevy 1-3/4 Inch Oval Port Exhaust Header Gasket
    Schoenfeld Small Block Chevy 1-3/4 Inch Oval Port Exhaust Header Gasket
    x
                

    For a tight seal, don't forget the exhaust gaskets for your Schoenfeld headers.  They offer these exhaust header gaskets made with steel core laminate to provide stability, maximum torque retention, and excellent heat resistance.  These Schoenfeld gaskets feature an oval port style to match your small block chevy.  You don't crack under the pressures of racing, and your gaskets shouldn't either.  Try Schoenfeld header gaskets on for a perfect fit and seal.

    Oval Port Header Gasket

    • Header gasket
    • Steel Core Laminate
    • 1.780" x 1.370" Oval Port
    • Small Block Chevy standard port

     

  • Small Block Ford 289-351W Header Kit, 1-5/8 Tube, 3 Inch Collector
    Small Block Ford 289-351W Header Kit, 1-5/8 Tube, 3 Inch Collector
    x
                

    Save money by welding and assembling your own headers! This S/B Ford header kit will work for many racing and rodding applications. It includes everything you need to assemble a pair of high-quality headers. Fits 289, 302, 351W small block Ford. Works with standard or GT40 heads.

    Designed for the seasoned, hands-on enthusiast, the kit will require some cutting, fitting and welding.

    • (8) 18-gauge mild steel 1-5/8" mandrel-bent primary tubes
    • (2) Pre-formed 3" diameter collectors
    • (2) Extra-thick standard-port 5/16" flanges
    • (2) Gaskets
    • (16) Header bolts

     

  • 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
    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

  • Schoenfeld Inc. Demo Derby Headers, 1-3/4 Primary, 3-1/2 Inch Collector
    Schoenfeld Inc. Demo Derby Headers, 1-3/4 Primary, 3-1/2 Inch Collector
    x
                
    • Fits Small Block Chevy
    • Standard Port
    • Bolts & gaskets included
    • High flow mandrel bent tubing

    Header Dimension Chart

  • Small Block Chevy Header Flange Plate - 1 3/4 Inch
    Small Block Chevy Header Flange Plate - 1 3/4 Inch
    x
                

    Build or modify your own headers with these exhaust manifold flange plates. This part number no longer includes gaskets or bolts.

    Header Flange Plate Chart Application

  • Left Side Crash Replacement IMCA Mod. Header, 1-3/4 Inch, Small Block Chevy
    Left Side Crash Replacement IMCA Mod. Header, 1-3/4 Inch, Small Block Chevy
    x
                

    Left hand side crash replacement Modified headers for Dirt Works, Champion, Hot, Pro, Impressive, Lightning, D&M, Hoffman and Shaw.

    Tube Size: 1.750

    Application: Small Block Chevy  

  • Dynatech Long Tube Headers, 1-3/4 - 1-7/8, 2-1/2 Reducer, Ceramic Coat
    Dynatech Long Tube Headers, 1-3/4 - 1-7/8, 2-1/2 Reducer, Ceramic Coat
    x
                

    You absolutely will not believe the quality of these ceramic coated, full length headers. These Musclemaxx headers feature 3/8" thick laser cut flanges that give you a leak free seal. Nearly equal length step tube design just like the racers run gives you a wider powerband and more horsepower. The four bolt collecter flange is unique in that it needs to be used with the Dynatech® reducer cones. This gives you a leak free ball and socket connection that allows movement as the engine torques under acceleration.

    These full length, ceramic coated headers will bolt straight up to the Dynatech® MuscleMaxx dual exhaust kit.

    Fits:

    • Small Block Chevy 
    • 1968-72 Chevelle

    NOTE: 2-1/2 Inch Reducer cones ARE included.

     

    Instructions (PDF) 

  • Hooker Headers 12624HKR LS Swap Engine Mount Adapter, 1/2 Inch Forward
    Hooker Headers 12624HKR LS Swap Engine Mount Adapter, 1/2 Inch Forward
    x
                

    Hooker LS engine swap mounts are designed to make the task of swapping an LS engine into your classic muscle car or truck as easy as possible. With five different mount kits available, you are sure to find the mounts needed to position the engine and transmission assembly in the appropriate location. Plates are available for use with stock small–block Chevy engine mounts to place the engine and transmission in the stock location or move it forward up to 3", depending on the mount. 

    • Constructed of sturdy 3/8” thick hot rolled steel
    • Designed for lightweight, rigidity and a clean appearance
    • Precision machined for perfect alignment
    • Zinc plated for durability and corrosion resistance
    • Come complete with counter sink machine screws and instructions
    • Work with all small-block Chevy mounts and frame towers
    • Perfect for use with Hooker’s growing family of Gen III/IV (LS1/LS2/LS6/LS7) engine swap header

    916-18020 Instructions (PDF)

  • Dynatech Long Tube Headers, 1.625 - 1.75, 2-1/2 Reducer, Ceramic Coat
    Dynatech Long Tube Headers, 1.625 - 1.75, 2-1/2 Reducer, Ceramic Coat
    x
                

    You absolutely will not believe the quality of these ceramic coated, full length headers. These Musclemaxx headers feature 3/8" thick laser cut flanges that give you a leak free seal. Nearly equal length step tube design just like the racers run gives you a wider powerband and more horsepower. The four bolt collecter flange is unique in that it needs to be used with the Dynatech® reducer cones. This gives you a leak free ball and socket connection that allows movement as the engine torques under acceleration.

    These full length, ceramic coated headers will bolt straight up to the Dynatech® MuscleMaxx dual exhaust kit.

    Fits:

    • Small Block Chevy 
    • 1968-72 Chevelle

    NOTE: 2-1/2 Inch Reducer cones ARE included.

    Instructions (PDF) 

  • Thermo Tec 11021 Header Wrap, 1 Inch x 50 Ft, Black Color
    Thermo Tec 11021 Header Wrap, 1 Inch x 50 Ft, Black Color
    x
                

    Thermo-Tec® header wrap keeps heat in the exhaust stream.  This increases exhaust velocity and engine efficiency, as well as reducing  under-hood temperature up to 70%.  Available in three different roll sizes.

    Installation Instructions (PDF)

    Typical Small Block Chevy Headers Need:

    • (2)  704-11002/11022 Wraps
    • (1)  704-13101 Strap Kit
    • (2)  70412001 High Heat Coatings

    Typical Big Block Chevy and 180 Degree Headers Need:

    • (2-3)  704-11002/11022 Wraps
    • (1)     704-13101 Strap Kit
    • (2-3)  704-12001 High Heat Coatings

     

  • Thermo Tec 11001 Header Wrap, 1 Inch x 50 Ft, White Color
    Thermo Tec 11001 Header Wrap, 1 Inch x 50 Ft, White Color
    x
                

    Thermo-Tec® header wrap keeps heat in the exhaust stream.  This increases exhaust velocity and engine efficiency, as well as reducing  under-hood temperature up to 70%.  Available in three different roll sizes.

    Please consider the Snap Strap Kit For V-8 and the Hi-Heat Coating when using this product.

    Typical Small Block Chevy Headers Need:

    • (2)  704-11002/11022 Wraps
    • (1)  704-13101 Strap Kit
    • (2)  70412001 High Heat Coatings

    Typical Big Block Chevy and 180 Degree Headers Need:

    • (2-3)  704-11002/11022 Wraps
    • (1)     704-13101 Strap Kit
    • (2-3)  704-12001 High Heat Coatings
  • Thermo Tec 11023 Header Wrap, 2 Inch x 100 Ft, Black Color
    Thermo Tec 11023 Header Wrap, 2 Inch x 100 Ft, Black Color
    x
                

    Thermo-Tec® header wrap keeps heat in the exhaust stream.  This increases exhaust velocity and engine efficiency, as well as reducing  under-hood temperature up to 70%.  Available in three different roll sizes.

    Installation Instructions (PDF)

    Typical Small Block Chevy Headers Need:

    • (2)  704-11002/11022 Wraps
    • (1)  704-13101 Strap Kit
    • (2)  70412001 High Heat Coatings

    Typical Big Block Chevy and 180 Degree Headers Need:

    • (2-3)  704-11002/11022 Wraps
    • (1)     704-13101 Strap Kit
    • (2-3)  704-12001 High Heat Coatings

     

  • Thermo Tec 11022 Header Wrap, 2 Inch x 50 Ft, Black Color
    Thermo Tec 11022 Header Wrap, 2 Inch x 50 Ft, Black Color
    x
                

    Thermo-Tec® header wrap keeps heat in the exhaust stream.  This increases exhaust velocity and engine efficiency, as well as reducing  under-hood temperature up to 70%.  Available in three different roll sizes.

    Installation Instructions (PDF)

    Typical Small Block Chevy Headers Need:

    • (2)  704-11002/11022 Wraps
    • (1)  704-13101 Strap Kit
    • (2)  70412001 High Heat Coatings

    Typical Big Block Chevy and 180 Degree Headers Need:

    • (2-3)  704-11002/11022 Wraps
    • (1)     704-13101 Strap Kit
    • (2-3)  704-12001 High Heat Coatings

     

  • Thermo Tec 11003 Header Wrap, 2 Inch x 100 Ft, White Color
    Thermo Tec 11003 Header Wrap, 2 Inch x 100 Ft, White Color
    x
                

    Thermo-Tec® header wrap keeps heat in the exhaust stream.  This increases exhaust velocity and engine efficiency, as well as reducing  under-hood temperature up to 70%.  Available in three different roll sizes.

    Please consider the Snap Strap Kit For V-8 and the Hi-Heat Coating when using this product.

    Typical Small Block Chevy Headers Need:

    • (2)  704-11002/11022 Wraps
    • (1)  704-13101 Strap Kit
    • (2)  70412001 High Heat Coatings

    Typical Big Block Chevy and 180 Degree Headers Need:

    • (2-3)  704-11002/11022 Wraps
    • (1)     704-13101 Strap Kit
    • (2-3)  704-12001 High Heat Coatings
  • Thermo Tec 11002 Header Wrap, 2 Inch x 50 Ft, White Color
    Thermo Tec 11002 Header Wrap, 2 Inch x 50 Ft, White Color
    x
                

    Thermo-Tec® header wrap keeps heat in the exhaust stream.  This increases exhaust velocity and engine efficiency, as well as reducing  under-hood temperature up to 70%.  Available in three different roll sizes.

    Please consider the Snap Strap Kit For V-8 and the Hi-Heat Coating when using this product.

    Typical Small Block Chevy Headers Need:

    • (2)  704-11002/11022 Wraps
    • (1)  704-13101 Strap Kit
    • (2)  70412001 High Heat Coatings

    Typical Big Block Chevy and 180 Degree Headers Need:

    • (2-3)  704-11002/11022 Wraps
    • (1)     704-13101 Strap Kit
    • (2-3)  704-12001 High Heat Coatings
  • Right Side Crash Replacement Dirt Late Model Header, 1-5/8 - 1-3/4 Inch
    Right Side Crash Replacement Dirt Late Model Header, 1-5/8 - 1-3/4 Inch
    x
                

    Right hand side crash replacement Dirt Late Model Headers for American Made, Barry Wright, Bullitt, Morris, Rocket, Swartz and others with 2 5/8" offset & 6" setback.

    Tube Size: 1.625"-1.750"

     

  • Left Side Crash Replacement Dirt Late Model Header, 1-3/4 - 1-7/8 Inch
    Left Side Crash Replacement Dirt Late Model Header, 1-3/4 - 1-7/8 Inch
    x
                

    Left hand side crash replacement Dirt Late Model Headers for American Made, Barry Wright, Bullitt, Morris, Rocket, Swartz and others with 2 5/8" offset & 6" setback.

    Tube Size: 1.750"-1.875"

     

  • Right Side Crash Replacement Dirt Late Model Header, 1-3/4 - 1-7/8 Inch
    Right Side Crash Replacement Dirt Late Model Header, 1-3/4 - 1-7/8 Inch
    x
                

    Right hand side crash replacement Dirt Late Model Headers for American Made, Barry Wright, Bullitt, Morris, Rocket, Swartz and others with 2 5/8" offset & 6" setback.

    Tube Size: 1.750"-1.875"

     

  • Left Side Crash Replacement Dirt Late Model Header, 1-5/8 - 1-3/4 Inch
    Left Side Crash Replacement Dirt Late Model Header, 1-5/8 - 1-3/4 Inch
    x
                

    Left hand side crash replacement Dirt Late Model Headers for American Made, Barry Wright, Bullitt, Morris, Rocket, Swartz and others with 2 5/8" offset & 6" setback.

    Tube Size: 1.625"-1.750"

     

  • Schoenfeld Inc. Demo Derby Headers, 1-5/8 Primary, 3 Inch Collector
    Schoenfeld Inc. Demo Derby Headers, 1-5/8 Primary, 3 Inch Collector
    x
                
    • Fits Small Block Chevy
    • Standard Port
    • Bolts & gaskets included
    • High flow mandrel bent tubing
  • Garage Sale - Dorman 2-1/2 Inch Corvette Style Exhaust Manifold, Right Side
    Garage Sale
    Garage Sale - Dorman 2-1/2 Inch Corvette Style Exhaust Manifold, Right Side
    x
                

    These "rams horn" cast iron manifolds were patterned off the 1962-63 327 Corvette but are not OEM remanufactured manifolds. They feature the big 2-1/2" diameter outlets and have provisions to accept original alternator type brackets.

    These headers are copies of the original headers on the 62-63 Corvettes and can be used on almost any small block application. The cast in brackets are for the water tank on the drivers side and generator bracket on the passenger side. These can be cut off and smoothed per customers preference. These are a square port configuration with 1-5/8” top to bottom and also side to side. Compare to your head port size for compatibility.

    • 1962-63 327 Corvette
    • 2-1/2" diameter outlets
    • Use on almost any small block application up until the advent of the LS series engines in 1999
    • Passenger side has the hole for the choke warm up tube
    • Use with 3 bolt header reducer/collector
    • Gaskets and bolts/hardware are not included
    This manifold is garage sale priced because it has a hole in the casting.
  • Garage Sale - Dynatech Big Block Chevy Pro Stock 2-1/4 to 2-3/8 Inch Headers
    Garage Sale
    Garage Sale - Dynatech Big Block Chevy Pro Stock 2-1/4 to 2-3/8 Inch Headers
    x
                

    This header is designed to fit Pro Stock - Bickel style strut front end chassis. Will work in Comp and Super Gas applications as well. 28'' equal length design. CNC-laser machined flanges feature raised port location for increased power. Unique port gussets eliminate cracking caused by tire shake and muffler applications. 

     4-1/2" Collectors. 

     These headers are garage sale priced because they have been installed, run and returned.  What you see is what you get.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Garage Sale - Dynatech   Street Stock Headers, 1-3/4 - 1-7/8, 3-1/2 Inch Collector
    Garage Sale
    Garage Sale - Dynatech Street Stock Headers, 1-3/4 - 1-7/8, 3-1/2 Inch Collector
    x
                

    Fits Following Models: Camaro ('70-'81). Chevelle ('64-'77), Monte Carlo ('72-'77) & Chevy II Nova ('75-'79)

    • Fits in stock location or with additional engine setback
    • For Standard Chevy or Crate Engine applications
    • Designed for straight plug heads only
    • Clears stock clutch linkage
    These headers are garage sale priced because they have been bolted on and returned.
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 
  • Garage Sale - Dynatech 1968-72 Chevelle Long Tube Headers, 1-3/4 - 1-7/8, Ceramic Coated
    Garage Sale
    Garage Sale - Dynatech 1968-72 Chevelle Long Tube Headers, 1-3/4 - 1-7/8, Ceramic Coated
    x
                Please view the product's page for more information
            
  • Garage Sale - Header Flange Plates, Small Block Chevy Brodix Spread Port, 1-3/4 Inch
    Garage Sale
    Garage Sale - Header Flange Plates, Small Block Chevy Brodix Spread Port, 1-3/4 Inch
    x
                

    Build or modify your own headers with these exhaust manifold flange plates. Header flange only. Does not include adapter pipe or gaskets.

     

    This is garage sale priced because it is a single flange.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - Dynatech Long Tube Headers, 1.625-1.75, 2-1/2 Reducer, Ceramic Coated
    Garage Sale
    Garage Sale - Dynatech Long Tube Headers, 1.625-1.75, 2-1/2 Reducer, Ceramic Coated
    x
                

    You absolutely will not believe the quality of these ceramic coated, full length headers. These Musclemaxx headers feature 3/8" thick laser cut flanges that give you a leak free seal. Nearly equal length step tube design just like the racers run gives you a wider powerband and more horsepower. The four bolt collecter flange is unique in that it needs to be used with the Dynatech® reducer cones. This gives you a leak free ball and socket connection that allows movement as the engine torques under acceleration.

    These full length, ceramic coated headers will bolt straight up to the Dynatech® MuscleMaxx dual exhaust kit.

    Fits:

    • Small Block Chevy 
    • 1968-72 Chevelle

    NOTE: 2-1/2 Inch Reducer cones ARE included.

    Instructions (PDF) 

     

    These headers are garage sale priced because they have scratches, scuffs and dings in the ceramic coating.

  • Garage Sale - Dynatech   Dirt Late Model Header, 1-5/8 - 1-3/4 3 Inch Collector
    Garage Sale
    Garage Sale - Dynatech Dirt Late Model Header, 1-5/8 - 1-3/4 3 Inch Collector
    x
                

    Fits the following Dirt Late Model chassis:

    • American Made
    • Barry Wright
    • Bullitt
    • Morris
    • Rocket
    • Swartz

    Also fits other models with 2-5/8" offset & 6" setback.

     

    These headers are garage sale priced because they were a little beat up in shipping. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Dynatech   MuscleMaxx Headers, 1967-69 Camaro, 2.5 Inch Reducer
    Garage Sale
    Garage Sale - Dynatech MuscleMaxx Headers, 1967-69 Camaro, 2.5 Inch Reducer
    x
                

    You absolutely will not believe the quality of these headers. 3/8" thick laser cut flanges give you a leak free seal. Nearly equal length step tube design just like the racers run gives you a wider powerband and more horsepower. The four bolt collecter flange is unique in that it needs to be used with the Dynatech® reducer cones. This gives you a leak free ball and socket connection that allows movement as the engine torques under acceleration.

    These headers will bolt straight up to the Dynatech® MuscleMaxx dual exhaust kit.

    NOTE: Reducer cones ARE NOT included.

     

    This set of headers is garage sale priced because they have some scratches and dents from shipping.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS