Product Summary

283, 302, 305, 307, 327, 350, 377, 383, 395, 400, Raw

    Key Specs

    Header Tube TypeChassis
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel

    Need To Know

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    Speedway Motors 930C5 Details

    If you are running our Unisteer rack & pinion, you will need these headers. They allow the steering shaft to pass through on the driver's side and are a shorty style for maximum ground clearance. Features 1-5/8" primaries with a 3" collector.

    • Tubing Thickness:  12 gauge (.103")
    • Header Flange Thickness:  0.30"
    • Exhaust Flange Thickness:  0.3760"

    Fits 283-400 S/B Chevy V8s with straight plug heads. Includes a pair of reducers (3.00" to 2.50").

    Note: Will not fit 168 tooth flywheels or kickout aftermarket starters. Will not fit manual transmission cars with factory Z bar clutch linkage.


    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 930C5 Specifications

    MFG. Part #930C5
    BrandSpeedway Motors
    Header Tube TypeChassis
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel
    Exhaust Port ShapeRound
    Collector Diameter3 Inch
    Hardware IncludedYes
    Gasket(s) IncludedYes
    Collector Attachment Type3-bolt flange
    Collector Reducers IncludedYes
    Collector Reducer Exit Diameter2.5"
    Collector Length3"
    Flange Thickness.31"
    Port Height1.54"
    Port Width1.47"
    Drivers Side Dimension A7.6"
    Drivers Side Dimension B8.45"
    Drivers Side Dimension C21.63"
    Passenger Side Dimension A5.6"
    Passenger Side Dimension B8.3"
    Passenger Side Dimension C22.38"
    Sold in QuantityPair