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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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1538 items

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  1. Vintage Air Gen 5 SureFit Complete Kit for 1982-88 Monte Carlo/El Camino w/ Factory Air

    1982-88 Monte Carlo/El Camino with Factory Air Gen 5 Super Magnum SureFit™ Complete Kit

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    In Stock
    Part # VA-964333
    0%
    $2,465.00
  2. Eddie Motorsport Valve Covers LS Billet Smooth Black

    Valve Covers, Chevy LS, Billet Aluminum, Smooth top, Gloss black Fusioncoat finish

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    In Stock
    Part # EMS108-70BK
    0%
    $549.00
  3. Vintage Air Beadlock 14-Fitting Extended Length Hose Kit without Drier

    Beadlock 14-Fitting Extended Length Refrigerant Hose Kit without Drier for 134a Beadlock

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    In Stock
    Part # VA-547001
    0%
    $158.00
  4. 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
  5. PSI 58X w/ 4L60E Wiring Harness DBW

    2008 LS2 6.0L 58x with 4L60E

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    In Stock
    Part # HAR-1066
    0%
    $659.00
  6. Vintage Air Gen 5 SureFit Complete Kit for 1990-94 Chevrolet Pickup w/ Factory Air

    1990-94 Chevrolet Pickup with Factory Air Gen 5 SureFit Complete Kit

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    In Stock
    Part # VA-945738
    0%
    $2,300.00
  7. Dewitt LSX Radiator Conversion Kit for 67-69 Camaro Manual, Black Finish

    67-69 Camaro Manual, Black Finish LSX Radiator Conversion Kit

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    In Stock
    Part # DR6239022M
    0%
    $1,595.00
  8. Eddie Motorsport Serpentine Kit 8 Rib LS Chevy VVT Polished

    Pulley kit, Serpentine 8 rib, Chevy LS with VVT, A/C, Power steering-plastic reservoir, 170A alternator, Polished

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    In Stock
    Part # EMS117-83P
    0%
    $3,425.00
  9. C10 LS Engine Install Kit W/Headers High or No A/C Mounts

    67-72 C10, Includes Engine Stands, Adjustable Engine Mounts (High Mount or no A/C), Transmission Cross Member, Doug Thorley Ceramic Coated THY-323Y-C Headers, W/Polyurethane Mounts

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    In Stock
    Part # 6772LS1-FRK-HM
    0%
    $1,320.00
  10. Ford Truck Big Block Engine Crossmember for 1953-56 Ford Truck

    53-56 Ford Truck, 332, 352, 360, 361, 390, 406, 410, 427, 428 Engines

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    In Stock
    Part # CP35228
    0%
    $105.00
  11. Holley Premium Mid-Mount Complete Accessory System, Gen V LT5, Dry Sump

    Complete GM Gen V LT5 Accessory Drive System w/ Alt, P/S, A/C, Water Pump, Belts, and hardware.

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    In Stock
    Part # 20-230
    0%
    $3,519.00
  12. PSI Vortec w/ 6L80E Auto Transmission Wiring Harness

    2006-2013 LS7 Vortec with 6L80E Auto Transmission

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    In Stock
    Part # HAR-1070
    0%
    $719.00
  13. Dewitt LSX Radiator Conversion Kit for 73-87 H.D. Chevy Truck Automatic

    73-87 H.D. Chevy Truck Automatic LSX Radiator Conversion Kit

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    In Stock
    Part # DR6139019A
    0%
    $1,545.00
  14. Eddie Motorsport Valve Covers LS Cast Aluminum Ball Mill Polished

    Valve Covers, LS Chevy, Aluminum, Ball Milled Top, Includes fasteners & Oil Fill Cap, Bright polished finish

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    In Stock
    Part # EMS108-51P
    0%
    $215.00
  15. Chevy II/Nova Small Block Frame Mounts for 1962-67 Nova

    62-67 ChevyII/Nova

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    In Stock
    Part # CP01007
    0%
    $89.00
  16. PSI Vortec DBW w/ 4L60E / 4L80E Standalone Wiring Harness

    5-Pin (A/C)

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    In Stock
    Part # HAR-1084
    0%
    $614.00
  17. Chevy Truck LS Engine Install Kit W/Headers for 63-66 Chevy Truck (Low A/C Mount)

    63-66 Chevy Truck, Includes Engine Stands, Adjustable Engine Mounts (Low A/C Mount), Transmission Cross Member, Doug Thorley Ceramic Coated THY-322Y-C Headers, W/Polyurethane Mounts

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    In Stock
    Part # 6366LS1-FRK-LM
    0%
    $1,414.00
  18. Vintage Air Gen IV SureFit Control Panel Replacement for 1966-67 Chevy Nova, Black Anodized

    1966-67 Chevrolet Nova Replacement Control Panel - Black Anodized

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    In Stock
    Part # VA-473272
    0%
    $285.00
  19. Adjustable Engine Mount for E6579M2IFS-K

    Ford FE Adjustable Plates for 6572M2MP-SM & 6579M2MP-TM, pr     

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    In Stock
    Part # CP10720
    0%
    $159.00
  20. DeWitts HP-Series Radiator Modules for 1955-57 Chevy Fullsize Small Block, Automatic

    55-57 Chevy Full Size Small Block Automatic, Radiator, Direct-Fit, Aluminum, Black, 2-Row, Crossflow, Chevy, Each

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    In Stock
    Part # DR4139012A
    0%
    $1,255.00
  21. High Performance Cooling Modules for 55 Chevy Full Size Standard W/ A.C. Polished

    55 Chevy Full Size Gen II Cooling Modular Standard W/ A.C. Polished

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    In Stock
    Part # HR-5520-ST-POL-AC
    0%
    $4,450.00
  22. Vintage Air Control Panel Kit for a 47-55 Chevy P-Up

    Control Panel Kit for a 47-55 Chevy P-Up

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    In Stock
    Part # VA-491425
    0%
    $145.00
  23. Chevy Full Size LS Engine Perches for 1965-70 Chevy Fullsize

    65-70 Chevy Full Size, Works with CPP Adjustable Engine Plates LS1-KU, LS1-KU-P or LS1-KU-R, LT1-KU, LT1-KU-P, LT1-KU-R

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    In Stock
    Part # 6570MP-LS
    0%
    $105.00
  24. Eddie Motorsport Power Steering Kit LT1 Plastic Reservoir Black

    Power steering kit for Gen V Chevy LT1, Includes pump with attached plastic reservoir, Gloss black Fusioncoat

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    In Stock
    Part # EMS107-19BK
    0%
    $549.00
  25. Eddie Motorsport LS Coil Covers Aluminum Billet Ball Mill w/ Cut Satin

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

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    In Stock
    Part # EMS109-04M
    0%
    $310.00
  26. DeWitts HP-Series Radiator Modules for 1967-72 C10 Small Block Automatic

    67-72 C10 Small Block Automatic, Radiator, Direct-Fit, Aluminum, Black, 2-Row, Crossflow, Chevy, Each

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    In Stock
    Part # DR32-4139018A
    0%
    $1,370.00
  27. Vintage Air Chrome Compressor Upgrade

    Upgrade to Chrome Finish for Vintage Air Compressor

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    In Stock
    Part # VA-048001
    0%
    $175.00
  28. Vintage Air Molded Heater Hose 90 degree hose 5/8 Inch - 4 Inches x 60 Inches long

    90 degree hose 5/8 Inch - 4 Inches x 60 Inches long

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    In Stock
    Part # VA-099003
    0%
    $37.00
  29. Vintage Air Gen 5 SureFit Complete Kit for 1969 Chevrolet Camaro without Factory Air

    1969 Chevrolet Camaro without Factory Air Gen 5 SureFit Complete Kit

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    In Stock
    Part # VA-961245
    0%
    $2,200.00
  30. Holley Mid-Mount Complete Accessory System

    LS Engine Drive includes SD7 A/C Compressor, Alternator, P/S Pump, Tensioner, Belt, crank damper & Pulleys

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    In Stock
    Part # 20-185
    0%
    $2,381.00
  31. High Performance Cooling Modules for 56 Chevy Full Size, LS Engine W/ A.C.

    56 Chevy Full Size Gen II Cooling Modular, LS Engine W/ A.C.

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    In Stock
    Part # HR-5620-LS-AC
    0%
    $3,955.00
  32. Vintage Air ProLine TiteFit Hard Line Kits

    Refrigerant Lines, TiteFit, Aluminum, Polished, 1935 & Later, with Proline Compressor Bracket, Pair

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    In Stock
    Part # 35136-VUQ-A
    0%
    $115.00
  33. Eddie Motorsport Single Groove Short Water Pump Pulley Set

    Small Block Chevy, Short, Single Groove, Polished

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    In Stock
    Part # EMS107-21P
    0%
    $320.00
  34. Eddie Motorsport Valve Covers LS Cast Aluminum Ball Mill Black

    Valve Covers, LS Chevy, Aluminum, Ball Milled Top, Includes fasteners & oil fill Cap, Gloss black Fusioncoat finish

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    In Stock
    Part # EMS108-51BK
    0%
    $249.00
  35. Ford Truck Small Block Engine Crossmember

    48-56 Ford Truck, 289/302 & Early 351C Engines

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    In Stock
    Part # CP4819
    0%
    $68.00
  36. Dewitt LSX Radiator Conversion Kit for 63-70 Chevy Full Sized Automatic, Black

    63-70 Chevy Full Sized, Automatic, Black Finish LSX Radiator Conversion Kit

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    In Stock
    Part # DR6239016A
    0%
    $1,695.00
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