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cpperformance

CP Performance Boaters Shopping and Product Info Guide
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Hardin Marine Intake Manifolds

hardin marine logoAt last you can buy an intake manifold specifically designed to meet the unique needs a performance boat demands from a company that knows what performance is. Hardin Marine has been building manifolds for over 40 years. At last you the performance boater can take advantage of the state of the art technology in each of these new manifolds. Here are just a few of the state of the art features that keep Hardin Marine Intakes leading the way.

Dual Distributor Hold Downs
Sometimes the standard single distributor hold down is not enough. So we have provided dual distributor hold downs on all Hardin Marine intake manifolds.

Four Corner Water Ports
All Hardin Marine performance manifolds feature two extra water ports at the rear of the manifold, a feature normally only found in manifolds costing hundreds more. Some enthusiasts have found that plumbing a line between these two rear ports can reduce engine overheating. Many racers also find these ports to be an advantageous special feature for plumbing special additional water lines.

Other Special Features:

  • All ports very accurately positioned due to advanced casting techniques.
  • All polished manifolds are meticulously hand polished to show levels.
  • Just before packing, every tapped hole in each manifold is chased with a tap to clear out polishing residue and to assure the threads are not damaged.

Click on the part number to check pricing or place an order.

HP 500 Style Power Package
hp 500 style power pkg

If you're looking to build an HP 500 style motor but are not sure of exactly which parts you may need, then this kit is for you. Nothing could be easier.

We have combined all the necessary items to produce an HP 500 style package in kit form.

    This kit includes:
  • (1) 620-53031 Hardin Marine Big Block Chevy Intake Manifold
  • (1) 710-9022 Holley Marine 800 CFM Carburetor
  • (1) 620-52001 Intake Allen Bolt Kit
  • (1) 620-53106 Carburetor Stud Kit
  • (1) 300-17342 Extreme Seal Intake Gasket Kit
  • (1) 620-04112 Water Outlet Gasket

Part No. Description
620-54000 HP500 Style Intake/Carburetor Power Package
Hardin Marine
"XS" Xtreme Single Plane Big Block Chevy Rectangular Port Intake Manifold

Polished Manifold

The design of these manifolds is very efficient, and produce excellent power in the RPM range most often used in performance boating.

This intake is patterned after the most respected intake in the marine industry the HP500 Carbureted Intake Manifold. With quite possibly more victories than any single other intake you know you're getting on the winning track. This intake features one of the fastest torque curves anywhere and all power boaters know torque is what makes the difference. If you're looking for the most for your money you'll demand the Hardin "XS" Xtreme Intake.

Part No. Description
620-53030 Polished Manifold for Big Block Chevy w/rectangular ports
620-53031 Satin Manifold for Big Block Chevy w/rectangular ports
Hardin Marine
Big Block Chevy "XS" Xtreme 4500 Rectangular Port Intake Manifold

polished 4500 manifold

This manifold shares all of the same great performance features as our standard "XS" Xtreme Intake with the addition of a 4500 series dominator carburetor mounting flange.  The ability to use this manifold with the larger carburetor provision makes it the only true choice for larger cubic inch applications.

  • Now available with Dominator (Holley 4500) carburetor flange
  • Dual Distributor Hold Downs
  • Nitrous Bosses
  • Four corner water ports
  • Available show polished or satin (unpolished) finish
  • Priced over $100 less than many similar competitive single plane intake manifolds

Part No. Description
620-53034 Polished 4500 Manifold for Big Block Chevy w/rectangular ports
620-53035 Satin 4500 Manifold for Big Block Chevy w/rectangular ports

Hardin Marine
"SE" Sport Dual Plane Big Block Chevy Oval Port Intake Manifold

polished dual plane intake

If you're looking for a manifold that's got it all then the Hardin Marine "SE" Sport Intake is your answer. It's dual plane design assures that off idle onto the plane burst with incredible midrange acceleration. This manifold dual plane design lends itself to increased fuel efficiency as well.

Part No. Description
620-53000 Polished Dual Plane "SE" Intake
620-53001 Satin Finish Dual Plane "SE" Intake