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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 Beadlock O-Ring Fitting w/ 134a Service Port NO 8 Reduced Barrier Hose Fitting - 90 degree w/ Port

    Beadlock O-Ring Fitting with 134a Service Port NO 8 Reduced Barrier Hose Fitting - 90 degree with Port

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    In Stock
    Part # VA-355320
    0%
    $19.00
  2. Eddie Motorsport Serpentine Kit Elite 8 Rib LS Chevy Machined

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

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    In Stock
    Part # EMS107-16M
    0%
    $3,195.00
  3. Air Intake Adapter 4" Diameter, 6" Length Straight

    4" Diameter, 6" Length, Universal, Straight, Aluminum, Polished Each

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    In Stock
    Part # KNSPE-9719
    0%
    $16.00
  4. 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
  5. Dewitt LSX Radiator Conversion Kit for 70-81 Firebird Manual

    70-81 Firebird Manual LSX Radiator Conversion Kit

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    In Stock
    Part # DR6139021M
    0%
    $1,445.00
  6. 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
  7. High Performance Cooling Modules for 57 Chevy Full Size Standard W/ A.C. & Power Steering, Polished

    57 Chevy Full Size Gen II Cooling Module Standard W/ A.C. & Power Steering, Polished

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    In Stock
    Part # HR-5740-ST-POL-AC-PS
    0%
    $4,510.00
  8. 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
  9. 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
  10. Vintage Air Gen IV SureFit Control Panel Kit for 1968-69 Chevy Chevelle

    1968-69 Chevy Chevelle SureFit Control Panel Kit

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    In Stock
    Part # VA-473068
    0%
    $230.00
  11. PSI Vortec w/ 4L60E Standalone Wiring Harness

    Vortec with 4L60E with EV6 Injectors

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    In Stock
    Part # HAR-1030
    0%
    $579.00
  12. Eddie Motorsport Serpentine S-Drive Pulley Kit Big Block Chevy No Power Steering Machined

    Pulley Kit, serpentine, Chevy Big Block, Aluminum, A/C, No Power Steering, 170A alt, Raw Machined finish

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    In Stock
    Part # EMS107-51M
    0%
    $2,295.00
  13. Eddie Motorsport Serpentine S-Drive Pulley Kit 64-68 Pontiac Black

    Pulley Kit, Serpentine, Pontiac 326-455, 8bolt water pump, A/C, Power steering pump, 145A alternator, Gloss black

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    In Stock
    Part # EMS117-60BK
    0%
    $2,675.00
  14. PSI T56/TR6060 Manual Transmission Wiring Harness

    T56 or TR6060 Manual Transmission

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    In Stock
    Part # HAR-1065
    0%
    $569.00
  15. 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
  16. Eddie Motorsport Pulley Alternator & Fan V-Belt Polished

    Pulley Alternator & Fan V-Belt Polished

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    In Stock
    Part # EMS107-03P
    0%
    $78.00
  17. Vintage Air Gen 5 SureFit Complete Kit for 1967-72 Chevrolet Pickup without Factory Air

    1967-72 Chevrolet Pickup without Factory Air Gen 5 SureFit Complete Kit

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    In Stock
    Part # VA-941606
    0%
    $2,200.00
  18. Front Drive System - Serpentine - LS - Black

    Front Drive System - Serpentine - LS - Black

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    In Stock
    Part # 81200ABK-KIT
    0%
    $2,723.00
  19. LS Engine Adjustable Mounting Plates, Polyurethane Pads (High or No A/C Mount)

    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 # LS-AK-HM
    0%
    $159.00
  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. 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
  22. Vintage Air SureFit Gen 5 Reduced Barrier Standard Hose Kit

    1988-95 Chevrolet Pickup SureFit Reduced Barrier Standard Hose Kit, Gen 5

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    In Stock
    Part # VA-521088
    0%
    $190.00
  23. Low A/C LS Engine Adjustable Mounting Plates, Polyurethane 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-P
    0%
    $159.00
  24. Vintage Air Superflow Air Condenser 17X19 w/ Brackets

    Superflow Air Condenser 17X19 with Brackets

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    In Stock
    Part # VA-03769-VUC
    0%
    $175.00
  25. Eddie Motorsport Breather/PCV Push-In Oval Aluminum Finned

    Valve Cover Breather/PCV, Aluminum, Oval, Finned Top, Bright polished finish

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    In Stock
    Part # EMS108-95P
    0%
    $71.00
  26. Dewitt LSX Radiator Conversion Kit for 62-67 Chevy II/Nova

    62-67 Chevy II/Nova, Manual, Black Finish LSX Radiator Conversion Kit

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    In Stock
    Part # DR6239010M
    0%
    $1,595.00
  27. Vintage Air In-Dash Louver, Black and Chrome

    2.5 inch Hose Inlet, Black with Chrome Accent

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    In Stock
    Part # VA-49057-VUL
    0%
    $16.00
  28. 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
  29. 1955-57 Chevy Fullsize Small & Big Block Perches, Side 3/4 Forward

    1955-57 Chevy Full Size, Bolts onto the Frame, no Welding Needed, uses CP-1114G or 2142 Pads

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    In Stock
    Part # CPP5557SMF-SB
    0%
    $69.00
  30. Eddie Motorsport Valve Covers LS Cast Aluminum Ball Mill Matte Black

    Valve Covers, LS Chevy, Aluminum, Ball Milled Top, Includes fasteners & Oil Fill Cap, Matte black Fusioncoat finish

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    In Stock
    Part # EMS108-51MB
    0%
    $249.00
  31. 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
  32. Vintage Air Gen 5 SureFit Complete Kit w/ Deluxe Control for a 1958-59 Chevy Pickup

    1958-59 Chevrolet Pickup without Factory Air Gen 5 SurEFIt Complete Kit with Deluxe Control

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    In Stock
    Part # VA-941572
    0%
    $2,415.00
  33. Eddie Motorsport Serpentine S-Drive Pulley Kit Raven Small Block Chevy Remote Matte Black

    Pulley Kit, serpentine, Chevy Small Block, Aluminum, A/C, Power Steering-No Reservoir, 170A alternator, Matte black

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    In Stock
    Part # EMS118-55RMB
    0%
    $2,685.00
  34. Vintage Air Gen 5 SureFit Complete Kit for 1969 Chevrolet Camaro w/ Factory Air

    1969 Chevrolet Camaro with Factory Air Gen 5 SureFit Complete Kit

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    In Stock
    Part # VA-964245
    0%
    $2,200.00
  35. Eddie Motorsport Serpentine Kit Elite 8 Rib LS Chevy Polished

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

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    In Stock
    Part # EMS107-16P
    0%
    $3,295.00
  36. Vintage Air Gen 5 SureFit Evaporator Kit for 1982-88 Monte Carlo/El Camino w/ Factory Air

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

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    In Stock
    Part # VA-564332
    0%
    $1,560.00
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