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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. Eddie Motorsport Billet Radiator Overflow Tank Black

    Radiator Overflow Tank, Billet aluminum, With bracket, 9-1/2tall, 5/16 fittings, 18 oz capacity, Gloss black

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    In Stock
    Part # EMS107-88BK
    0%
    $199.00
  2. High Performance Cooling Modules for 56 Chevy Full Size, LS Engine W/ A.C. & Power Steering

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

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    In Stock
    Part # HR-5640-LS-AC-PS
    0%
    $4,125.00
  3. Eddie Motorsport Serpentine Kit 8 Rib Small Block Chevy No Power Steering Black

    Pulley Kit, 8 rib serpentine, Chevy Small Block, Aluminum, A/C, No Power Steering, 170A, Gloss black finish

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    In Stock
    Part # EMS107-11BK
    0%
    $2,695.00
  4. Eddie Motorsport Serpentine Kit 8 Rib LS Chevy VVT Billet Reservoir Black

    Pulley kit, Serpentine 8 rib, Chevy LS with VVT, A/C, Power steering-aluminum reservoir, 170A alternator, Gloss Black

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    In Stock
    Part # EMS117-83BBK
    0%
    $3,650.00
  5. High Performance Cooling Modules for 56 Chevy Full Size Dual Pass, Polished

    56 Chevy Full Size Gen II Cooling Modular Dual Pass, Polished

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    In Stock
    Part # HR-5610-DL-POL
    0%
    $3,765.00
  6. Eddie Motorsport Serpentine S-Drive Pulley Kit 69Up Pontiac Billet Reservoir Polished

    Pulley Kit, Serpentine, Pontiac 326-455, 11bolt water pump, A/C, Power steering pump, 145A alternator, Bright polished

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    In Stock
    Part # EMS117-65BP
    0%
    $2,895.00
  7. Eddie Motorsport Serpentine Kit Elite LS Chevy Machined

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

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    In Stock
    Part # EMS107-60M
    0%
    $2,825.00
  8. Eddie Motorsport Serpentine Kit Elite 8 Rib LS Chevy No A/C Billet Reservoir Machined

    Pulley Kit, 8 rib serpentine, Chevy LS, Aluminum, No A/C, Power steering-Aluminum Reservoir, 170A, Machined finish

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    In Stock
    Part # EMS107-18BM
    0%
    $3,150.00
  9. Eddie Motorsport Breather Push-In Aluminum Ball Mill Black

    Valve Cover Breather, Made in the USA, Push-In, Ball Milled Top, Gloss black Fusioncoat finish

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    In Stock
    Part # EMS108-81BK
    0%
    $52.00
  10. 13" Stainless Steel Radiator Overflow Tank, 20 Oz

    13" Stainless Steel Radiator Overflow Tank, 20 Oz

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    In Stock
    Part # CP6073A
    0%
    $39.00
  11. Eddie Motorsport Serpentine Pulley Kit LS Chevy w/ Variable Valve Timing Remote Matte Black

    Pulley kit, Serpentine, Chevy LS with VVT, A/C, Power steering-No Reservoir, 170A alternator, Matte Black

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    In Stock
    Part # EMS117-80RMB
    0%
    $3,095.00
  12. Eddie Motorsport Serpentine Kit Elite 8 Rib LS Chevy No A/C Remote Black Anodized

    Pulley Kit, 8 rib serpentine, Chevy LS, Aluminum, No A/C, Power Steering-No Reservoir, 170A, Black anodized

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    In Stock
    Part # EMS107-18RBA
    0%
    $3,195.00
  13. Eddie Motorsport Serpentine Kit 8 Rib Big Block Chevy Remote Black

    Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, A/C, Power Steering-No Reservoir, 170A, Gloss black Fusioncoat

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    In Stock
    Part # EMS107-13RBK
    0%
    $2,950.00
  14. High Performance Cooling Modules for 56 Chevy Full Size Dual Pass W/ A.C.

    56 Chevy Full Size Gen II Cooling Modular Dual Pass W/ A.C.

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    In Stock
    Part # HR-5620-DL-AC
    0%
    $3,930.00
  15. PSI Vortec w/ T56 Standalone Wiring Harness

    2003-2007 GM Vortex with T56

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    In Stock
    Part # HAR-1015
    0%
    $579.00
  16. High Performance Cooling Modules for 56 Chevy Full Size, LS Engine, Polished

    56 Chevy Full Size Gen II Cooling Modular, LS Engine, Polished

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    In Stock
    Part # HR-5610-LS-POL
    0%
    $3,790.00
  17. Eddie Motorsport Serpentine S-Drive Pulley Kit Big Block Chevy Polished

    Pulley Kit, serpentine, Chevy Big Block, Aluminum, A/C, Power Steering-Plastic Reservoir, 170A, Bright polished

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    In Stock
    Part # EMS107-50P
    0%
    $2,595.00
  18. Eddie Motorsport Serpentine Pulley Kit w/ A/C and Power Steering Cleveland Ford Polished

    Pulley Kit, Serpentine, Ford 351C, Aluminum, A/C, Power Steering-Plastic Reservoir, 140A alt, Bright Polished

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    In Stock
    Part # EMS107-66P
    0%
    $2,295.00
  19. Eddie Motorsport Serpentine Kit 8 Rib Big Block Chevy No A/C Black Anodized

    Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, No A/C, Power Steering, Plastic Reservoir, 170A, Black anodized

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    In Stock
    Part # EMS107-15BA
    0%
    $2,860.00
  20. Eddie Motorsport Serpentine S-Drive Pulley Kit 64-68 Pontiac No Power Steering Matte Black

    Pulley Kit, Serpentine, Pontiac 326-455, 8bolt water pump, A/C, No Power steering pump, 145A alternator, Matte black finish

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    In Stock
    Part # EMS117-61MB
    0%
    $2,495.00
  21. Eddie Motorsport Breather Push-In Aluminum Smooth Polished

    Valve Cover Breather, Made in the USA, Push-In, Smooth Top, Bright polished finish

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    In Stock
    Part # EMS108-80P
    0%
    $42.00
  22. Eddie Motorsport Serpentine Kit 8 Rib Big Block Chevy No A/C Billet Reservoir Matte Black

    Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, No A/C, Power steering-Aluminum Reservoir, 170A, Matte black

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    In Stock
    Part # EMS107-15BMB
    0%
    $2,950.00
  23. Eddie Motorsport Serpentine Kit 8 Rib Small Block Chevy No A/C Billet Reservoir Polished

    Pulley Kit, 8 rib serpentine, Chevy Small Block, Aluminum, No A/C, Power Steering-Aluminum Reservoir, 170A, Polished

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    In Stock
    Part # EMS107-12BP
    0%
    $2,895.00
  24. High Performance Cooling Modules for 56 Chevy Full Size, LS Engine W/ A.C. Polished

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

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    In Stock
    Part # HR-5620-LS-POL-AC
    0%
    $4,450.00
  25. Eddie Motorsport Serpentine Pulley Kit LS Chevy w/ Variable Valve Timing Polished

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

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    In Stock
    Part # EMS117-80P
    0%
    $3,095.00
  26. Eddie Motorsport Serpentine S-Drive Pulley Kit, No A/C/ Polished

    1964-68 Pontiac, No A/C Polished

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    In Stock
    Part # EMS117-62P
    0%
    $2,075.00
  27. Eddie Motorsport Serpentine S-Drive Pulley Kit w/ Plastic Reservoir Customer Choice

    Small Block Chevy, Black Anodized, with Plastic Remote Reservoir

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    In Stock
    Part # EMS107-55CC
    0%
    $2,205.00
  28. Eddie Motorsport Matte Black; 69-79 Pontiac

    1969-79 Pontiac, Matte Black

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    In Stock
    Part # EMS117-67RMB
    0%
    $2,075.00
  29. Eddie Motorsport Serpentine Kit 8 Rib Big Block Chevy No A/C Billet Reservoir Black

    Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, No A/C, Power steering-Aluminum Reservoir, 170A, Gloss black

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    In Stock
    Part # EMS107-15BBK
    0%
    $2,950.00
  30. Eddie Motorsport Serpentine S-Drive Pulley Kit Small Block Chevy Matte Black

    Pulley Kit, serpentine, Chevy Small Block, Aluminum, A/C, Power Steering-Plastic Reservoir, 170A, Matte black

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    In Stock
    Part # EMS107-55MB
    0%
    $2,525.00
  31. Eddie Motorsport Serpentine Kit Raven Small Block Chevy Billet Reservoir Matte Black

    Pulley Kit, serpentine, Chevy Small Block, Aluminum, A/C, Power Steering-Aluminum Reservoir, 170A alt, Matte black

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    In Stock
    Part # EMS118-55BMB
    0%
    $2,895.00
  32. Eddie Motorsport Serpentine Kit Raven Big Block Chevy Billet Reservoir Matte Black

    Pulley Kit, serpentine, Chevy Big Block, Aluminum, A/C, Power Steering-Aluminum Reservoir, 170A alt, Matte black

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    In Stock
    Part # EMS118-50BMB
    0%
    $2,990.00
  33. Eddie Motorsport Serpentine S-Drive Pulley Kit 64-68Pontiac Billet Reservoir Matte Black

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

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    In Stock
    Part # EMS117-60BMB
    0%
    $2,895.00
  34. High Performance Cooling Modules for 56 Chevy Full Size Standard

    56 Chevy Full Size Gen II Cooling Modular Standard

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    In Stock
    Part # HR-5610-ST
    0%
    $3,350.00
  35. Eddie Motorsport Breather/PCV Push-In Aluminum Smooth Polished

    Valve Cover Breather, with PCV Valve, Made in the USA, Push-In, Smooth Top, Bright polished finish

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    In Stock
    Part # EMS108-82P
    0%
    $44.00
  36. Eddie Motorsport Serpentine Kit 8 Rib Big Block Chevy Remote Matte Black

    Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, A/C, Power Steering-No Reservoir, 170A, Matte black finish

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    In Stock
    Part # EMS107-13RMB
    0%
    $2,950.00
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