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    Siebert Performance

    • Home
    • Shop
      • Racing Engines
      • Carburetors and Accessories
        • Carburetors
        • Carburetor Spacers
        • Gaskets
        • Fuel System
      • Valvetrain
        • Camshafts
        • Lifters
      • Rotating Assembly Components
        • Pistons
        • Connecting Rods
        • Crankshafts
      • Performance Bundles
        • Rotating Assemblies
        • Cam and Lifter Packages
      • Accessories
      • Racing Products
    • Services
      • Custom Engines
      • Engine Machining
      • Carburetor Rebuilding
      • Data Analysis
      • Tuning Services
      • Trackside Services
      • Instruction
    • Tech
      • Customer Spec Sheet
    • About Us
    • Contact
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    Custom Racing Engines

    For Drag Racing, Road Racing, Street, and MORE

    Custom Built Carburetors

    4150 and 4500 Style, Gas and Methanol

    Performance Engine Parts

    Industry Leading Brands, Competitive Pricing

    Performance Engine Machining

    Precision Cylinder Honing, Balancing, Cylinder Head Work, and MORE

    Racing Services

    Data Analysis, Trackside Services, and Tuning

    Featured products

    • Pro Series 414 SBC

      Pro Series 414 SBC

      Pro Series 414 SBC

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Callies Magnum Big Block Chevy Crankshaft

      Callies Magnum Big Block Chevy Crankshaft

      Callies Magnum Big Block Chevy Crankshaft

      Regular price $3,158.00 USD
      Regular price Sale price $3,158.00 USD
      Unit price /  per 
    • GAS 4150 Track-Pack Gasket Kit

      GAS 4150 Track-Pack Gasket Kit

      GAS 4150 Track-Pack Gasket Kit

      Regular price $44.00 USD
      Regular price Sale price $44.00 USD
      Unit price /  per 
    • Data Acquisition Analysis: 3 Files w/ Post Change Follow-Up Data Acquisition Analysis: 3 Files w/ Post Change Follow-Up

      Data Acquisition Analysis: 3 Files w/ Post Change Follow-Up

      Data Acquisition Analysis: 3 Files w/ Post Change Follow-Up

      Regular price $275.00 USD
      Regular price Sale price $275.00 USD
      Unit price /  per 
    • Adjustable Fuel Log with 7/8-20 Fittings Adjustable Fuel Log with 7/8-20 Fittings

      Adjustable Fuel Log with 7/8-20 Fittings

      Adjustable Fuel Log with 7/8-20 Fittings

      Regular price $135.00 USD
      Regular price Sale price $135.00 USD
      Unit price /  per 
    • Pro Series Billet 4500 Carburetor

      Pro Series Billet 4500 Carburetor

      Pro Series Billet 4500 Carburetor

      Regular price $1,950.00 USD
      Regular price Sale price $1,950.00 USD
      Unit price /  per 
    • BLACK 1" Tapered Carburetor Spacer  – 4150 Series

      BLACK 1" Tapered Carburetor Spacer – 4150 Series

      BLACK 1" Tapered Carburetor Spacer – 4150 Series

      Regular price $125.00 USD
      Regular price Sale price $125.00 USD
      Unit price /  per 
    • Wiseco Chevy Big Block Piston Set – 4.500-4.625 in. Bore – 1.270 .in CH, 48.70 CC

      Wiseco Chevy Big Block Piston Set – 4.500-4.625 in. Bore – 1.270 .in CH, 48.70 CC

      Wiseco Chevy Big Block Piston Set – 4.500-4.625 in. Bore – 1.270 .in CH, 48.70 CC

      Regular price $1,092.99 USD
      Regular price Sale price $1,092.99 USD
      Unit price /  per 

    Questions? Call Us at (785)286-6813

    5602 SW Topeka Blvd. - Suite D - Topeka, Kansas 66609

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