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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. 55-57 Chevy Full Size LS Engine Install Kit W/CPP Ceramic Coated Headers

    55-57 Chevy Full Size, Includes Oil Pan, Engine Stands, Adjustable Engine Mounts, Transmission Cross Member, CPP's Ceramic Coated Headers, W/Polyurethane Mounts

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    In Stock
    Part # 5557LS1-FRK-CPP
    0%
    $1,100.00
  2. C10 LS Engine Install Kit W/Headers Low A/C Mounts

    67-72 C10, Includes Engine Stands, Adjustable Engine Mounts (Low A/C Mount), Transmission Cross Member, Doug Thorley Ceramic Coated THY-323Y-C Headers, W/Polyurethane Mounts

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    In Stock
    Part # 6772LS1-FR-LAC
    0%
    $1,320.00
  3. Dewitt LSX Radiator Conversion Kit for 67-87 Chevy Truck Manual

    67-87 Chevy Truck Manual LSX Radiator Conversion Kit

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    In Stock
    Part # DR6139018M
    0%
    $1,445.00
  4. Front Drive System - Serpentine - LS - Polished

    Front Drive System - Serpentine - LS - Polished

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    In Stock
    Part # 81200-KT
    0%
    $2,269.00
  5. MSD Pro-Billet Ready-to-Run Distributors

    Distributor, Pro-Billet Ready-to-Run, Magnetic Pickup, Vacuum Advance, Black Cap, Black Anodized, Ford, 289-302, Each

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    In Stock
    Part # 835231
    0%
    $599.00
  6. Eddie Motorsport Power Steering Kit LT1 Remote Power Steering Black

    Power steering kit for Gen V Chevy LT1, Includes pump for remote reservoir, Gloss black Fusioncoat

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    In Stock
    Part # EMS107-19RBK
    0%
    $395.00
  7. High Performance Cooling Modules for 57 Chevy Full Size, LS Engine W/ A.C. Polished

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

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    In Stock
    Part # HR-5720-LS-POL-AC
    0%
    $4,395.00
  8. High Performance Cooling Modules for 57 Chevy Full Size, LS Engine

    57 Chevy Full Size Gen II Cooling Modular, LS Engine

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    In Stock
    Part # HR-5710-LS
    0%
    $3,350.00
  9. DeWitts Pro-Series Direct Fit Radiator for 1967-72 Chevy C10

    1967-72 Chevy C10 Small Block, Radiator, Direct-Fit, Aluminum, Black, 2-Row, Crossflow, Chevy, Each

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    In Stock
    Part # DR1239018A
    0%
    $1,010.00
  10. LS Engine Install Kit W/Manifolds, 1967-69 Camaro, 68-74 Nova

    1967-69 Camaro/Firebird, 68-74 Nova, Includes Oil Pan, Engine Stands, Adjustable Engine Mounts, Transmission Cross Member, Cast Iron Manifolds & Head Pipes, W/Polyurethane Mounts

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    In Stock
    Part # 6774ELS-K
    0%
    $1,100.00
  11. Vintage Air SureFit Reduced Barrier Standard Hose Kit for 1966-77 Bronco

    1966-77 Ford Bronco SureFit Reduced Barrier Standard Hose Kit

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    In Stock
    Part # VA-511372
    0%
    $185.00
  12. Eddie Motorsport LS Coil Covers Aluminum Billet Ball Mill Satin

    Coil Covers, LS Chevy, Billet Aluminum, Ball Milled Top, Made in the USA, Raw machined finish

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    In Stock
    Part # EMS109-03M
    0%
    $310.00
  13. 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
  14. Eddie Motorsport Valve Covers LS Cast Aluminum Black

    Valve Covers, LS Chevy, Aluminum, Smooth Top, Includes Stainless Steel Fasteners & Oil Fill Cap, Gloss black Fusioncoat finish

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    In Stock
    Part # EMS108-50BK
    0%
    $235.00
  15. Vintage Air Beadlock 14-Fitting Refrigerant Hose Kit w/ Drier

    Beadlock 14-Fitting Refrigerant Hose Kit with Drier for 134a

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    In Stock
    Part # VA-31700-VBD
    0%
    $152.00
  16. Ford Motor Mount Pad, Big Block 352/428, Rubber

    Ford Motor Mount Pad, Big Block 352/428, Rubber

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    In Stock
    Part # 2141
    0%
    $34.00
  17. Mounting Bracket Hardware Kit 120 Degree

    Degree Mounting Bracket Hardware Kit, 120 Degrees

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    In Stock
    Part # 11621K
    0%
    $19.00
  18. 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
  19. Dewitt LSX Radiator Conversion Kit for 55-57 Chevy Full Size V-8 Position Manual

    55-57 Chevy Full Size V-8 Position Manual LSX Radiator Conversion Kit

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    In Stock
    Part # DR6139012M
    0%
    $1,020.00
  20. 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
  21. Holley LS High Mount A/C Accessory Drive Bracket for Sanden SD508 or SD7 Compressor, Pass Side A/C Bracket

    Works with Sanden SD508 or SD7 Compressor

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    In Stock
    Part # 20-134
    0%
    $237.00
  22. High Performance Cooling Modules for 55 Chevy Full Size Dual Pass

    55 Chevy Full Size Gen II Cooling Modular Dual Pass

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    In Stock
    Part # HR-5510-DL
    0%
    $3,435.00
  23. Vintage Air Gen 5 SureFit Evaporator Kit for 1981-87 Chevrolet Pickup w/ Factory Air

    1981-87 Chevrolet Pickup with Factory Air Gen 5 SureFit Evaporator Kit

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    In Stock
    Part # VA-755621
    0%
    $1,340.00
  24. PSI Gen IV Wire Harness w/ 4L60E Auto Transmission

    2008-2009 L76 with 4L60E

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    In Stock
    Part # HAR-1046
    0%
    $659.00
  25. Vintage Air SureFit Reduced Barrier Modified Hose Kit for 1953-56 Ford F-100

    1953-56 Ford F-100 SureFit Reduced Barrier Modified Hose Kit

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    In Stock
    Part # VA-516530
    0%
    $185.00
  26. 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
  27. Billet Specialties Tru Trac Serpentine Systems without A/C

    Pulley Kit, Tru Trac, Serpentine, Standard Ratio, Aluminum, Polished, Ford, Small Block, Kit

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    In Stock
    Part # 13605
    0%
    $2,250.00
  28. Vintage Air SureFit Evaporator Kit for 1969 Chevy Camaro w/ A/C

    1969 Chevy Camaro with Factory Air SureFit Evaporator Kit

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    In Stock
    Part # VA-564169
    0%
    $780.00
  29. 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
  30. Vintage Air Gen 5 SureFit Complete Kit for 1953-55 Ford F-100

    1953-55 Ford F-100 Gen 5 SureFit Complete Kit

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    In Stock
    Part # VA-941633
    0%
    $2,150.00
  31. Vintage Air SureFit Condenser Kit without Drier for 1968-72 Chevelle

    1968-72 Chevelle SureFit Condenser Kit without Drier

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    In Stock
    Part # VA-026670
    0%
    $300.00
  32. 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
  33. Vintage Air Deluxe GenV Complete Kit for a 55-56 Chevy 4 Vent Deluxe

    Vintage Air Deluxe GenV Complete Kit for a 55-56 Chevy 4 Vent Deluxe

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    In Stock
    Part # VA-961554
    0%
    $2,415.00
  34. Low A/C LS Engine Adjustable Mounting Plates

    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
    0%
    $119.00
  35. Vintage Air Gen 5 SureFit Complete Kit for 1955-57 Chevy Pickup

    1955-57 Chevrolet Pickup without Factory Air Gen 5 SurEFIt Complete Kit with Standard Controls

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    In Stock
    Part # VA-941552
    0%
    $2,200.00
  36. Holley Low Mount Accessory Drive Bracket, Driver's Side P/S & Alt Bracket

    For applications without A/C or using factory A/C bracket.

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    In Stock
    Part # 20-155
    0%
    $228.00
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