1. Superchargers & Parts Offered
  2. sku: 3654067582455751
  3. WHIPPLE 313300323

WHIPPLE 313300323 Twinscrew Supercharger Head Unit Freely Race

fits model: Marine.

313300323 Whipple Twinscrew Supercharger Head Unit Turns Freely Race / Marine Custom

( Brand: Whipple ), ( Manufacturer Part Number: 313300323 ), ( Type: Supercharger ), ( Oe/oem Part Number: 313400323 ), ( Items Included: Adapter ), ( Color: Black ), ( Drive Type: Belt Driven ), ( Features: Twin ), ( Universal Fitment: No ), ( Performance Part: Yes )

Review WHIPPLE Twinscrew Supercharger Head Unit Turns Freely Race Custom fits MARINE

The Whipple 313300323 Twinscrew Supercharger Head Unit, freely race marine, is an exceptional high-performance supercharging system designed for marine applications. This head unit is part of Whipple's renowned Twinscrew series, which is recognized for delivering maximum power gains, exceptional reliability, and impressive efficiency.

The heart of this supercharger system is the twin-screw, positive displacement design. The twin-screw configuration ensures that the air is compresses evenly and efficiently, resulting in a near-isothermal process. This feature significantly reduces the temperature rise during the compression process, maintaining the air charge temperature closer to the ambient temperature. Consequently, it ensures optimal combustion and maximum power output.

The Whipple 313300323 is engineered with a large, 2.2-liter displacement per rotor. This large size contributes to a high volumetric efficiency, allowing the engine to breathe more air and make more power. Moreover, the twin-screw design offers excellent surge elimination, ensuring consistent boost levels under various operating conditions.

This supercharger head unit features a cast aluminum housing, which is not only strong and durable but also lightweight. The housing is designed to be cooled efficiently by seawater or freshwater, thanks to its integral water jackets. This cooling system ensures that the supercharger remains at optimal operating temperatures, even under extreme conditions.

The 313300323 comes with a high-flow, water-cooled intercooler, which is essential for reducing the temperature of the compressed air before it enters the engine. This intercooler ensures that the engine receives cool, dense air, which leads to increased power and better combustion efficiency.

The Whipple 313300323 Twinscrew Supercharger Head Unit is compatible with a wide range of marine applications and can be easily integrated into various engine configurations. The kit includes all necessary components for a bolt-on installation, making the installation process straightforward and hassle-free.

In summary, the Whipple 313300323 Twinscrew Supercharger Head Unit is an excellent choice for marine enthusiasts looking to enhance the performance of their engine. With its twin-screw design, large displacement, efficient cooling system, and ease of installation, this supercharger delivers impressive power gains and unmatched reliability.

Pros and Cons of buying a Whipple 313300323 Twinscrew Supercharger Head Unit for Racing Marine Applications

Introduction:

The Whipple 313300323 Twinscrew Supercharger Head Unit is a popular choice among marine racers due to its high-performance capabilities. In this analysis, we will discuss the key advantages and disadvantages of purchasing this supercharger head unit.

Pros:

1. Increased Power: Whipple superchargers are renowned for their ability to deliver significant horsepower gains. The 313300323 twin-screw model is no exception, offering impressive power output increases.

2. Robust Design: The twin-screw design is more durable than single-screw superchargers, making it an ideal choice for the rigors of racing applications.

3. High Efficiency: Whipple superchargers offer excellent efficiency, ensuring optimal power delivery with minimal fuel consumption.

4. Easy Installation: The supercharger kit comes with detailed instructions, making the installation process relatively straightforward for experienced mechanics.

5. Proven Track Record: Whipple superchargers have a long-standing reputation for reliability and performance in the racing industry.

Cons:

1. Cost: The Whipple 313300323 Twinscrew Supercharger Head Unit is a premium product and comes with a hefty price tag.

2. Complexity: Compared to single-screw superchargers, twin-screw superchargers can be more complicated to maintain and troubleshoot.

3. Size: The supercharger is larger than some single-screw alternatives, which may require additional engine bay modifications.

4. Noise: Twin-screw superchargers can be louder than single-screw models, which may not be ideal for all racing applications.

Conclusion:

The Whipple 313300323 Twinscrew Supercharger Head Unit offers impressive power gains, durability, and efficiency for racing marine applications. However, it comes with a higher cost, complexity, size, and noise level compared to single-screw alternatives. Ultimately, the decision to purchase this supercharger head unit depends on the specific requirements, budget, and expertise of the marine racer.

Recommendation:

If you are a competitive marine racer with a substantial budget and a team of experienced mechanics, the Whipple 313300323 Twinscrew Supercharger Head Unit is an excellent choice for maximizing power output and staying at the forefront of the competition. For those with more modest budgets or limited mechanical expertise, a single-screw supercharger or a different brand may be a more suitable option.

Details:

It is being sold as a used performance part, Believed to be 2.3L Whipple twin-screw based on rotor size, case dimensions, and internal markings 517. This unit is being sold as shown and ideal for a custom build or rebuild platform. For sale is an original Whipple Industries twin-screw supercharger head unit. Displacement is not externally stamped buyer to verify for their application.

This is an older-style standalone Whipple, commonly used in drag racing, Marine, and custom hot-rod applications. Rotors turn smoothly by hand, No visible rotor contact or scoring, Case and snout appear solid with no cracks, Threads on are in good condition, Normal cosmetic wear from age prior use, Video available showing the supercharger turning freely, This has not been boost tested disassembled for internal inspection.

specifications reppchargers:

  • for models: Marine
  • brand: Whipple
  • mpn: 313300323
  • type: Supercharger
  • oe/oem part number: 313400323
  • items included: Adapter
  • color: Black
  • drive type: Belt Driven
  • features: Twin
  • universal fitment: No
  • performance part: Yes

seller reppchargers:

  • city: Naples, Florida
  • rating: 100.0%
  • # reviews: 520

offer reppchargers:

  • best offers: True
  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • started: December 19, 2025

general reppchargers:

  • condition: Used
  • Air Fuel Delivery > Turbos, Superchargers Intercoolers > Superchargers Parts

returns reppchargers:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 30 Days

payments reppchargers:

  • money order
  • other
  • wallet: Google-pay
  • credit card: Mastercard

shipping reppchargers:

  • carrier: USPS
  • type: Calculated
  • transit: 7-11 Days
  • cost: $114.89
  • service: USPS Ground Advantage
  • class: Standard
for models: marine, type: supercharger, oe/oem part number: 313400323, items included: adapter, drive type: belt driven, features: twin, universal fitment: no, performance part: yes,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > superchargers parts, color: black, sku: 3654067582455751,

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