Product Summary

Universal Fit, Block Hugger Header Tube Type, Steel

  • These small block Chevy tight fit headers work well on early hot rods with narrow frame widths due to the slim 4" distance from the flange to outermost point
  • 1-1/2" primary tubes and 2-1/2" collectors aid in fitting tight clearance applications
  • AHC coating (ceramic coating) ensures long lasting good looks while also reducing under hood temperatures
  • Round exhaust ports fit stock small block Chevy heads - will not clear angle plug heads
  • Come complete with gaskets, header bolts, and 2" reducers to connect to your exhaust system

Key Specs

MFG. Part #9300100H
BrandSpeedway Motors
Header Tube TypeBlock Hugger
FinishCeramic Coated
Material TypeSteel

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These S/B Chevy tight-fit headers fit even difficult applications where space is limited. For round port S/B Chevy.  1-1/2" primary with 2-1/2" collector. These block hugger headers are ceramic coated headers. Complete with reducers, gaskets, and bolts. These shorty headers are designed to make difficult installations easy.

  • Drivers side collector is approx. 2" from pan rail
  • Passenger side collector is approx. 1/2" from pan rail
  • Flange thickness is approx. 0.212"

Will NOT fit angled plug heads.   This header will NOT clear the 'clam shell' style engine mount commonly used as the stock type engine mounts on 1973-up Chevy applications.




AHC Warning: AHC coatings will burn and be damaged at exhaust temperatures over 1300 degrees. A lean fuel mixture can generate exhaust temperatures exceeding 1700-1900 degrees. If the coating is damaged due to a lean condition, the coating will not be warranted, but can be recoated for a fee.

Not legal for sale or use in California on pollution controlled vehicles.

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


MFG. Part #9300100H
BrandSpeedway Motors
Header Tube TypeBlock Hugger
FinishCeramic Coated
Material TypeSteel
Flange StyleStandard
Primary Tube Diameter1-1/2"
Exhaust Port ShapeRound
Collector Diameter2-1/2 Inch
Flange Thickness.21"
Port Height1.38"
Port Width1.38"
Header Dimension A4.00"
Header Dimension B10.13"
Header Dimension C18.38"
Hardware IncludedYes
Gasket(s) IncludedYes
Sold in QuantityPair
NotesIncludes a pair of reducers (2.50" to 2.00")
Collector Attachment Type3-bolt flange
Collector Reducers IncludedYes
Collector Reducer Exit Diameter2"