Product Summary

Universal Fit, Block Hugger Header Tube Type, Raw

  • 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
  • Raw steel finish allows you to paint or ceramic coat to your choice of color
  • 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 #9300100
BrandSpeedway Motors
Header Tube TypeBlock Hugger
Material TypeSteel

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These S/B Chevy tight fit headers fit difficult applications where space is limited. Shorty headers have a 1-1/2" primary with 2-1/2" collector. Complete with reducers, gaskets, and bolts.

For "round" port small block Chevy cylinder heads. 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.

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


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 #9300100
BrandSpeedway Motors
Header Tube TypeBlock Hugger
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"