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Top quality LS - LT engine components, featuring brackets and various mounting hardware.

LS - LT Headquarters

At Classic Performance Products, we understand the popularity and performance benefits of LS and LT swaps in classic cars and trucks. That's why we've carefully curated a comprehensive range of LS - LT Conversion Products and Components ... to meet the diverse needs of enthusiasts and professionals alike. Whether you're undertaking a complete engine swap or just looking to upgrade specific aspects of your vehicle's engine setup, we have you covered. .

Our selection encompasses everything from LS Fit Rite Install Kits, designed to ensure an easy conversion, to specific component parts that guarantee compatibility and performance. Looking for an affordable entry point? Explore our LS Economy Install Kits. If it's the sound and efficiency you're after, our LS Exhaust systems and LS Fuel Tank Conversions provide just that.

Electrical setups can be complex, but our LS Electrical components make integration a breeze. Improve intake efficiency with our LS Intake Systems, or upgrade your aesthetic and functionality with LS Pulley Systems and LS Dress Up accessories. For those embracing the latest in GM engine technology, our LT Fuel Tank Conversions offer the compatibility your project demands.

Choose Classic Performance Products for your LS - LT Conversion needs and benefit from our extensive selection, ensuring your classic car or truck not only retains its timeless appeal but also performs at its peak with modern power.


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  1. Old Air 3/8" OD X 48" Long Fuel & A/C Aluminum Open End Tube

    3/8" OD x 48" Long, Aluminum, Open End

    Add to Compare In Stock
    Part # 12-0011CT-48
    0%
    $21.00
    Classic car cooling system by Old Air Products
  2. LS Air Filter Kit for Universal Air Filter Kit, W/4" Filter 120 Degree Tube

    Universal Air Filter Kit, W/4" Filter 120 Degree Tube

    Add to Compare Product Takes 7 Days to Ship
    Part # 120ANF-4
    0%
    $319.00
    CPP high-performance automotive parts for classic cars
  3. LS Air Filter Kit for Universal Air Filter Kit, W/6" Filter 120 Degree Tube

    Universal Air Filter Kit, W/6" Filter 120 Degree Tube

    Add to Compare Product Takes 7 Days to Ship
    Part # 120ANF-6
    0%
    $319.00
    CPP high-performance automotive parts for classic cars
  4. GM Factory Electronic Throttle Pedal Assembly, C6 Six Pin, Replaces 15864594, 25835421, 12569599

    Factory correct GM electronic throttle pedal assembly with integrated position sensor. True C6 six pin design commonly used in LS drive by wire conversions. Direct replacement for GM 15864594, 25835421, and 12569599.

    Add to Compare Product Takes 7 Days to Ship
    Part # 19417903
    0%
    $89.00
    CPP high-performance automotive parts for classic cars
  5. Holley LS Valve Covers, Tall, Satin Black

    Tall LS Valve Covers w/ Coil Mounting Posts, Cast Aluminum - Satin Black Finish

    Add to Compare Vendor Takes 30 Days to Ship
    Part # 241-112
    0%
    $340.00
    High-performance fuel injection system by Holley
  6. Holley 2-Piece "Chevrolet" Script Valve Cover - Gen Iii/Iv LS - Satin Black Machined

    Chevrolet Gen III/IV LS - Cast Aluminum - Coil-Mounting Base & Integrated Coil Cover

    Add to Compare Vendor Takes 30 Days to Ship
    Part # 241-177
    0%
    $650.00
    High-performance fuel injection system by Holley
  7. Holley LS Oil Fill Cap w/ Billet Center

    Five-way customizable oil fill cap for LS engines

    Add to Compare Vendor Takes 30 Days to Ship
    Part # 241-224
    0%
    $47.00
    High-performance fuel injection system by Holley
  8. Holley LS Valley Cover - Finned

    GM LS1/LS6 Finned Valley Cover, Natural Billet

    Add to Compare Vendor Takes 30 Days to Ship
    Part # 241-260
    0%
    $204.00
    High-performance fuel injection system by Holley
  9. Holley LS Valley Cover - Trussed

    GM LS1/LS6 Trussed Valley Cover, Satin Black Finish

    Add to Compare Vendor Takes 30 Days to Ship
    Part # 241-262
    0%
    $241.00
    High-performance fuel injection system by Holley
  10. Holley Hi-Ram Intake - GM LS3/L92 - Black

    EFI Hi-Ram Intake for 1 x 105mm GM LS3/L92 Throttle Body - Longitudinal Mount Plenum Top

    Add to Compare Vendor Takes 30 Days to Ship
    Part # 300-117BK
    0%
    $1,300.00
    High-performance fuel injection system by Holley
  11. 16 Gal Galvanized Steel Gas Tank for 33-34 Ford Sedan Delivery

    33-34 Ford Sedan Delivery, 33-37 Ford Truck, 34 Victoria, 16 Gallon, Baffled Carb and F.I.

    Add to Compare Vendor Takes 7 Days to Ship
    Part # 34G-PT
    0%
    $309.00
    Classic car fuel storage solutions by Tanks Inc.
  12. 18 Gal Galvanized Steel Gas Tank for 35-36 Dodge/Plymouth Cars

    35-36 Dodge/Plymouth Cars, 18 Gallon, Baffled Carb and F.I.

    Add to Compare Vendor Takes 7 Days to Ship
    Part # 35M-T
    0%
    $339.00
    Classic car fuel storage solutions by Tanks Inc.
  13. 18 Gal Galvanized Steel Gas Tank for 37-39 Dodge/Plymouth Cars

    37-39 Dodge/Plymouth Cars, 18 Gallon, Baffled Carb and F.I.

    Add to Compare Vendor Takes 7 Days to Ship
    Part # 37M-T
    0%
    $339.00
    Classic car fuel storage solutions by Tanks Inc.
  14. 22 Gal Carbureted & Fuel Injection Ready Aluminum Fuel Tank, 1947-53 Chevy/GMC Truck

    1947-53 Chevy/GMC Truck 22 Gallon Baffled Fuel Tank, Bed Flush, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 4753AGT-22BFH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  15. 22 Gallon Aluminum Bed Flush Fuel Tank, 1947-53 Chevy GMC Truck

    1947-53 Chevy GMC Truck 22 Gallon Baffled Aluminum Bed Flush Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 4753AGT-22BFHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  16. 22 Gallon Aluminum Bed Standard Fuel Tank, 1947-53 Chevy GMC Truck

    1947-53 Chevy GMC Truck 22 Gallon Baffled Aluminum Bed Standard Fuel Tank, Carbureted and Fuel Injection Ready, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 4753AGT-22BSH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  17. 22 Gallon Aluminum Bed Standard Fuel Tank, 1947-53 Chevy GMC Truck

    1947-53 Chevy GMC Truck 22 Gallon Baffled Aluminum Bed Standard Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 4753AGT-22BSHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  18. 22 Gallon Aluminum Side Fill Fuel Tank, 1947-53 Chevy GMC Truck

    1947-53 Chevy GMC Truck 22 Gallon Baffled Aluminum Side Fill Fuel Tank, Carbureted and Fuel Injection Ready, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 4753AGT-22SH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  19. 22 Gallon Aluminum Side Fill Fuel Tank, 1947-53 Chevy GMC Truck

    1947-53 Chevy GMC Truck 22 Gallon Baffled Aluminum Side Fill Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 4753AGT-22SHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  20. Straight Axle Small Block Install Kit, Rubber Mounts

    47-59 Chevy Trucks, Includes the Engine & Transmission Cross Members along with the Rubber Mounts

    Add to Compare Product Takes 7 Days to Ship
    Part # 4759ETX-K
    0%
    $149.00
    CPP high-performance automotive parts for classic cars
  21. Straight Axle Small Block Install Kit, Poly Mounts

    47-59 Chevy Trucks, Includes the Engine & Transmission Cross Members along with Polyurethane Mounts

    Add to Compare Product Takes 7 Days to Ship
    Part # 4759ETX-KP
    0%
    $199.00
    CPP high-performance automotive parts for classic cars
  22. Straight Axle LS Install Kit, Poly Mounts

    47-59 Chevy Trucks, Includes the Engine & Transmission Cross Members, Both are Adjustable, along with Polyurethane Mounts

    Add to Compare Product Takes 7 Days to Ship
    Part # 4810-SLS1PK
    0%
    $165.00
    CPP high-performance automotive parts for classic cars
  23. Straight Axle LS Install Kit, Rubber Mounts

    47-59 Chevy Trucks, Includes the Engine & Transmission Cross Members, Both are Adjustable, along with the Rubber Mounts

    Add to Compare Product Takes 7 Days to Ship
    Part # 4810-SLS1RK
    0%
    $165.00
    CPP high-performance automotive parts for classic cars
  24. 21 Gal Carbureted & Fuel Injection Ready Aluminum Fuel Tank, 1948-60 Ford Truck

    1948-60 Ford Truck 21 Gallon Baffled Fuel Tank, Bed Flush, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 4860AGT-21BFH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  25. 21 Gallon Aluminum Bed Flush Fuel Tank, 1948-60 Ford Truck

    1948-60 Ford Truck 21 Gallon Baffled Aluminum Bed Flush Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 4860AGT-21BFHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  26. 21 Gallon Aluminum Bed Standard Fuel Tank, 1948-60 Ford Truck

    1948-60 Ford Truck 21 Gallon Baffled Aluminum Bed Standard Fuel Tank, Carbureted and Fuel Injection Ready, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 4860AGT-21BSH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  27. 21 Gallon Aluminum Bed Standard Fuel Tank, 1948-60 Ford Truck

    1948-60 Ford Truck 21 Gallon Baffled Aluminum Bed Standard Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 4860AGT-21BSHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  28. 20 Gallon Aluminum Bed Flush Fuel Tank, 1953-56 Ford Truck

    1953-56 Ford Truck 20 Gallon Baffled Aluminum Bed Flush Fuel Tank, Carbureted and Fuel Injection Ready, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 5356AGT-20BFH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  29. 20 Gallon Aluminum Bed Flush Fuel Tank, 1953-1956 Ford Truck

    1953-1956 Ford Truck 20 Gallon Baffled Aluminum Bed Flush Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 5356AGT-20BFHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  30. 20 Gallon Aluminum Bed Standard Fuel Tank, 1953-56 Ford Truck

    1953-56 Ford Truck 20 Gallon Baffled Aluminum Bed Standard Fuel Tank, Carbureted and Fuel Injection Ready, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 5356AGT-20BSH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  31. 20 Gallon Aluminum Bed Standard Fuel Tank, 1953-1956 Ford Truck

    1953-1956 Ford Truck 20 Gallon Baffled Aluminum Bed Standard Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 5356AGT-20BSHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  32. 20 Gallon Aluminum Side Fill Fuel Tank, 1953-56 Ford Truck

    1953-56 Ford Truck 20 Gallon Baffled Aluminum Side Fill Fuel Tank, Carbureted and Fuel Injection Ready, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 5356AGT-20SH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  33. 20 Gallon Aluminum Side Fill Fuel Tank, 1953-1956 Ford Truck

    1953-1956 Ford Truck 20 Gallon Baffled Aluminum Side Fill Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 5356AGT-20SHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  34. 17 Gallon Aluminum Bed Flush Fuel Tank, 1954-1955 1rst Series Chevy Truck

    1954-1955 1rst Series Chevy Truck 17 Gallon Baffled Aluminum Bed Flush Fuel Tank, Carbureted and Fuel Injection Ready, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 5455AGT-17BFH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
  35. 17 Gallon Aluminum Bed Flush Fuel Tank, 1954-1955 1rst Series Chevy Truck

    1954-1955 1rst Series Chevy Truck 17 Gallon Baffled Aluminum Bed Flush Fuel Tank, Carbureted and Fuel Injection Ready, Black

    Add to Compare Product Takes 7 Days to Ship
    Part # 5455AGT-17BFHB
    0%
    $649.00
    CPP high-performance automotive parts for classic cars
  36. 17 Gallon Aluminum Bed Standard Fuel Tank, 1954-1955 1rst Series Chevy Truck

    1954-1955 1rst Series Chevy Truck 17 Gallon Baffled Aluminum Bed Standard Fuel Tank, Carbureted and Fuel Injection Ready, Unfinished

    Add to Compare Product Takes 7 Days to Ship
    Part # 5455AGT-17BSH
    0%
    $599.00
    CPP high-performance automotive parts for classic cars
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