Product Summary

Carbureted Fuel System Type, One Carburetor Quantity

    Key Specs

    MFG. Part #7531
    Intake Manifold TypeSingle Plane
    RPM Range3,000-8,200
    Material TypeAluminum

    Need To Know

    This Product Will Ship Free

    Shipping Policies & FAQs

    Quick and Easy Returns

    Return Policy

    Weiand 7531 Details

    • Single Plane with Isolated Plenum
    • Pre -1987 Small Block Chevy Block/Heads.
    • 1987-92 Chevy Block/Heads with Modification to 4 Center Mounting Holes
    • Plenum raised 2.0" compared to 7530
    • Square Carburetor Mounting Flange
    • Isolated Water cross-over
    • Power band: 3000-8200 RPM
    • Height: Front 5.63", Rear 6.56"
    • Port Size: 2.10 height 1.24" width


    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.

    Weiand 7531 Specifications

    MFG. Part #7531
    Intake Manifold TypeSingle Plane
    RPM Range3,000-8,200
    Material TypeAluminum
    Fuel System TypeCarbureted
    Carburetor QuantityOne
    Carburetor Flange Type4-Barrel Square Bore
    Intake Section IncludedComplete
    Overall Height6.1"
    Bolt Hole Pattern5.160" x 5.625"
    GTIN Code032474753106