Product Summary

Universal Fit, Block Hugger Header Tube Type, Raw

  • Complete with reducers, gaskets and bolts
  • Raw finish ready for your choice of coating
  • Note:: Not for angled plug heads

Key Specs

Header Tube TypeBlock Hugger
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeSteel

Need To Know

This Product Will Ship Free

Shipping Policies & FAQs

Quick and Easy Returns

Return Policy

Speedway Motors 9300102 Details

Rodders and racers are known for wedging big engines into small spaces, so these big-block Chevy tight-fit headers are designed for applications where space is limited. The shorty headers offer great flow in a compact package and will fit where many other block hugger headers won’t.

  • Fits round-port cylinder heads
  • Compact design fits a wide variety of applications
  • Made from 16-gauge tubing
  • Includes reducers, gaskets, and bolts
  • 1-3/4” primary tube diameter
  • 2-1/2” collector diameter
  • Can be used with most oil filter systems and transmission/starter combinations
  • Will not fit 55-57 Chevy cars, Camaros, or other modern vehicles which have a crossmember below the engines center two exhaust ports
  • Fits standard deck big blocks only

Item Details

1-3/4" primary, 2-1/2" collector



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.

Speedway Motors 9300102 Specifications

MFG. Part #9300102
BrandSpeedway Motors
Header Tube TypeBlock Hugger
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeSteel
Exhaust Port ShapeRound
Collector Diameter2-1/2 Inch
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Attachment Type3-bolt flange
Collector Reducers IncludedYes
Collector Reducer Exit Diameter2.25"
Speedway Motors Catalog Part #930-0102
Flange Thickness.38"
Port Height1.88"
Port Width1.88"
Header Dimension A4.50"
Header Dimension B12.25"
Header Dimension C10.00"
Drivers Side Dimension A5"
Drivers Side Dimension B13.5"
Drivers Side Dimension C19"
Passenger Side Dimension A5.08"
Passenger Side Dimension B12.88"
Passenger Side Dimension C19"
Sold in QuantityPair
NotesIncludes gaskets, bolts, and reducers.