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Under the Hood

Explore our selection of 'Under the Hood' products, your go-to source for upgrading the performance and appearance of your classic car or truck. Whether you're aiming to increase horsepower, improve cooling efficiency, or just want to give your engine bay a fresh new look, Classic Performance Products (CPP) has ... you covered. We offer a wide variety of premium components from top manufacturers, ensuring you get the best for your classic vehicle.

Why Trust CPP
At Classic Performance Products, we're dedicated to helping you reach the full potential of your classic vehicle. Our selection of "Under the Hood" parts assure easy installation and compatibility, making your upgrade process seamless. Elevate both the performance and aesthetic appeal of your ride with our top-tier components. Dive in and find exactly what you need to transform your classic car or truck today!

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  1. Vintage Air SureFit Evaporator Kit 1967-1972 Chevy Pickup Truck using Factory AC Panel

    1967-1972 Chevy Pickup Truck Using Factory AC Panel

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    In Stock
    Part # VA-751171
    0%
    $1,100.00
  2. PSI Gen IV Auto Transmission Wiring Harness 4L60E

    Auto Transmission with 4L60E

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    In Stock
    Part # HAR-1036
    0%
    $659.00
  3. Dewitt LSX Radiator Conversion Kit for 55-57 Chevy Full Size 6 Cylinder Position Automatic

    55-57 Chevy Full Size 6 Cylinder Position Automatic LSX Radiator Conversion Kit

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    In Stock
    Part # DR6139013A
    0%
    $1,385.00
  4. LS Engine Adjustable Mounting Plates, Polyurethane Pads & Clam Steel Engine Perches

    1/2" Rearwards to 3 1/2" Forward, Can be used with A/C Compressor in the upper Passenger position, or no A/C Compressor, with Polyurethane Pads

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    In Stock
    Part # LSCSM-KP
    0%
    $209.00
  5. Vintage Air Replacement Only Female Binary Switch

    Replacement female thread binary switch only

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    In Stock
    Part # VA-11078-VUS
    0%
    $24.00
  6. Vintage Air Gen 5 SureFit Complete Kit for 1956 Ford F-100

    1956 Ford F-100 Gen 5 SureFit Complete Kit

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    In Stock
    Part # VA-941634
    0%
    $2,150.00
  7. Dewitt LSX Radiator Conversion Kit for 67-69 Camaro Automatic

    67-69 Camaro Automatic LSX Radiator Conversion Kit

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    In Stock
    Part # DR6139022A
    0%
    $1,545.00
  8. Chevy Small Block Poly Motor Mount 72+ Clam Shell Style

    72+ Clam Shell Style Mounts

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    In Stock
    Part # CP-1116G
    0%
    $85.00
  9. Eddie Motorsport Serpentine Kit Elite 8 Rib LS Chevy Black Anodized

    Pulley Kit, 8 rib serpentine, Chevy LS, Aluminum, A/C, Power Steering-Plastic Reservoir, 170A, Black anodized

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    In Stock
    Part # EMS107-16BA
    0%
    $3,375.00
  10. PSI T56/TR6060 Manual Transmission Wiring Harness

    T56 or TR6060 Manual Transmission

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    In Stock
    Part # HAR-1065
    0%
    $569.00
  11. Dewitt LSX Radiator Conversion Kit for 59-62 Chevy Full Size Manual

    59-62 Chevy Full Size Manual LSX Radiator Conversion Kit

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    In Stock
    Part # DR6139015M
    0%
    $1,445.00
  12. PSI DBC LT1/LT4 w/ T56 Standalone Wiring Harness

    1994-1995 Vortec LT1 or LT4 with T56

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    In Stock
    Part # HAR-1006
    0%
    $519.00
  13. Vintage Air Gen 5 SureFit Complete Kit for 1967-68 Camaro/Firebird w/ Factory Air

    1967-68 Camaro/Firebird with Factory Air Gen 5 SureFit Complete Kit

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    In Stock
    Part # VA-964244
    0%
    $2,200.00
  14. Vintage Air Gen 5 SureFit Complete Kit for 1969 Chevelle w/ Factory Air

    1969 Chevy Chevelle with Factory Air Gen 5 SureFit Complete Kit

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    In Stock
    Part # VA-964284
    0%
    $2,200.00
  15. Dewitt LSX Radiator Conversion Kit for 63-66 Chevy Truck Manual, Black

    63-66 Chevy Truck Manual, Black Finish LSX Radiator Conversion Kit

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    In Stock
    Part # DR6239017M
    0%
    $1,595.00
  16. Low A/C LS Engine Adjustable Mounting Plates, Rubber Pads

    2.25 Forward to 3.75 Forward (Used Mainly on Chevy Trucks, not useable on most cars), works with CP-1114G

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    In Stock
    Part # LS1-KULAC-R
    0%
    $139.00
  17. Vintage Air Front Runner Drive System, Big Block Chevrolet, Bright, w/ Power Steering

    Front Runner Drive System, Big Block Chevrolet, Bright, with Power Steering

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    In Stock
    Part # VA-174058
    0%
    $2,660.00
  18. Vintage Air Gen 5 SureFit Evaporator Kit for 1988-94 Chevrolet Pickup w/ Factory Air

    1988-94 Chevrolet Pickup with Factory Air

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    In Stock
    Part # VA-755737
    0%
    $1,340.00
  19. Dewitt LSX Radiator Conversion Kit for 64-67 Chevelle Manual

    64-67 Chevelle Manual LSX Radiator Conversion Kit

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    In Stock
    Part # DR6139002M
    0%
    $1,445.00
  20. Eddie Motorsport LS Coil Covers Aluminum Billet Smooth Black

    Coil Covers, LS Chevy, Billet Aluminum, Smooth Top, Made in the USA, Gloss black Fusioncoat finish

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    In Stock
    Part # EMS109-01BK
    0%
    $329.00
  21. Holley Premium Black Mid-Mount Gen V LT Complete Accessory System, SFI Cert Damper

    Complete GM Gen V LT Accessory Drive System w/ Alt, P/S, A/C, Water Pump, SFI Certified Damper w/Hard Anodized Billet Crank Pulley, Belts, and Crankshaft Damper

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    In Stock
    Part # 20-200BK
    0%
    $3,519.00
  22. 55-57 Chevy Full Size LS Engine Install Kit W/Silver Ceramic Manifolds

    55-57 Chevy Full Size, Includes Oil Pan, Engine Stands, Adjustable Engine Mounts, Transmission Cross Member, Silver Ceramic Coated Cast Iron Manifolds W/ Head Pipes, W/Polyurethane Mounts

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    In Stock
    Part # 5557ELS-K-SCA
    0%
    $1,180.00
  23. Vintage Air SureFit Modified Hose Kit for 1958-59 Chevy Pickup

    1958-59 Chevrolet Pickup SureFit Modified Hose Kit

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    In Stock
    Part # VA-521161
    0%
    $185.00
  24. Nova Road Race Pan kit Right Dipstick Standard Volume

    Right Dipstick, 1 Piece Rear Seal (86+), Comes with Pick Up Tube for a Standard Volume Pump and Pan Gasket.

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    In Stock
    Part # CP1091S-K3S
    0%
    $310.00
  25. Dewitt LSX Radiator Conversion Kit for 55-57 Chevy Full Size 8 Cylinder Position Manual

    55-57 Chevy Full Size 8 Cylinder Position Manual, Black Finish LSX Radiator Conversion Kit

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    In Stock
    Part # DR6239012M
    0%
    $1,170.00
  26. Eddie Motorsport LS Coil Covers Aluminum Billet Ball Mill w/ Cut Black Anodized

    Coil Covers, LS Chevy, Aluminum, Ball Milled Top, W/Oil Fill Cut-Out, Made in the USA, Gloss black anodized finish

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    In Stock
    Part # EMS109-04BA
    0%
    $345.00
  27. Dewitt LSX Radiator Conversion Kit for 70-81 Firebird Manual, Black

    70-81 Firebird Manual, Black Finish LSX Radiator Conversion Kit

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    In Stock
    Part # DR6239021M
    0%
    $1,595.00
  28. Vintage Air E-Z Clip Universal Hose Kit

    Vintage Airs' E-Z Clip refrigerant hose system is now available as a universal kit.

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    In Stock
    Part # VA-547002
    0%
    $437.00
  29. Ford Motor Mount Pad, Small Block Late 351C/400M, Rubber, Passenger's Side

    Ford Motor Mount Pad, Small Block Late 351C/400M, Rubber, Passenger's Side

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    In Stock
    Part # 2341R
    0%
    $25.00
  30. Eddie Motorsport Valve Covers LS Billet Ball Mill Black Anodized

    Valve Covers, Chevy LS, Billet Aluminum, Ball milled top, Gloss black anodize finish

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    In Stock
    Part # EMS108-71BA
    0%
    $599.00
  31. Vintage Air Gen IV Sure Fit Complete Kit for a 1967-72 Chevy Pickup without Factory AC

    Vintage Air Gen Iv Sure Fit Complete Kit for a 1967-72 Chevy Pickup without Factory AC and Factor Air Controls

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    In Stock
    Part # VA-941171
    0%
    $1,925.00
  32. US Radiator Custom Shroud w/ Dual 11″ Thinline Fans

    11" Aluminum Fan, 11.5" x 22.5" Core Size, 2 5/8" Thick

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    In Stock
    Part # STLD11
    0%
    $415.00
  33. LS Air Filter Kit for Universal Air Filter Kit, W/4" Filter 90 Degree Tube

    Universal Air Filter Kit, W/4" Filter 90 Degree Tube

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    In Stock
    Part # 90ANF-4
    0%
    $319.00
  34. Eddie Motorsport Power Steering Line Kit 80-Present GM Gearbox, R&P/Remote

    Power steering line kit, Eddie Motorsports pulley kit, 1980-Up GM power steering box, rack & pinion, remote tank

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    In Stock
    Part # EMS107-31R
    0%
    $297.00
  35. High Performance Cooling Modules for 55 Chevy Full Size, LS Engine

    55 Chevy Full Size Gen II Cooling Modular, LS Engine

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    In Stock
    Part # HR-5510-LS
    0%
    $3,460.00
  36. Chevy Small Block Narrow Poly Motor Mount

    Bracket width measure 2 3/8" instead of the More Popular CP-1114G 2 5/8ths Width

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    In Stock
    Part # CP-1117G
    0%
    $117.00
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