1428-110 PERMACOIL Perma Heli Sti

Review PERMACOIL 5/8-11 Nc Perma Heli for STI

The Perma-Coil 1428-110 is a high-performance oil cooler specifically designed for Subaru STi applications using a 5/8-11 NC (Narrow Core) radiator. This cooler is manufactured by Permasqued, a leading brand known for its innovative cooling solutions.

This oil cooler is constructed using a unique, brazed aluminum core that provides exceptional cooling efficiency. The brazing process ensures a strong, leak-free bond between the tubes and the fins, ensuring optimal cooling performance over an extended period. The cooler's compact design allows for a perfect fit in most Subaru STi engines, making it an excellent choice for those looking to improve their vehicle's cooling capabilities without compromising on space.

The Perma-Coil 1428-110 is engineered to handle the high-performance demands of the Subaru STi. It is capable of maintaining optimal oil temperatures even under heavy use, ensuring the engine remains protected against thermal stress. The cooler's high-density fins provide increased surface area for heat exchange, allowing the cooler to dissipate heat more efficiently than stock coolers.

The cooler's inlet and outlet ports are CNC machined for precision and durability. The inlet port is designed to accept 1/4" ID hose, while the outlet port accommodates 3/8" ID hose. The cooler also comes with mounting brackets, making installation a straightforward process.

The Perma-Coil 1428-110 is an excellent investment for Subaru STi owners looking to enhance their vehicle's performance and cooling capabilities. This cooler is designed to provide reliable, efficient cooling performance, ensuring the engine remains protected even under the most demanding conditions. With its compact design, precise manufacturing, and exceptional cooling efficiency, the Perma-Coil 1428-110 is an essential upgrade for any Subaru STi.

Perma-Coil 1428-110 5/8-11 NC STi Permascreen Helical Oil Cooler: A Detailed Analysis

The Perma-Coil 1428-110 5/8-11 NC STi Permascreen Helical Oil Cooler is a popular aftermarket cooling solution for Subaru Impreza WRX STI models. This cooler is designed to improve engine performance and reliability by maintaining optimal oil temperatures. Let's delve into the pros and cons of investing in this oil cooler.

1. Enhanced Cooling Efficiency: The helical oil cooler design provides improved cooling efficiency compared to traditional plate-type coolers. The cooler core has a larger surface area, allowing for more effective heat dissipation.

2. Durability: The Perma-Coil oil cooler is made from high-quality materials, such as aluminum and brass, ensuring long-lasting performance.

3. Easy Installation: This oil cooler comes with all necessary hardware for a straightforward installation process. It can be installed using the factory mounting points.

4. Improved Engine Performance: By maintaining optimal oil temperatures, the oil cooler can help improve engine performance and longevity. This translates to better acceleration, increased horsepower, and reduced engine wear.

5. Impressive Flow Rate: The Perma-Coil oil cooler boasts an impressive flow rate, ensuring efficient cooling even during high-performance driving conditions.

1. Price: The Perma-Coil oil cooler is a premium product and comes with a relatively high price tag.

2. Size: The oil cooler is larger than the stock unit, which may require some modifications to fit properly.

3. Potential for Leaks: As with any cooling system component, there is a risk of leaks. Proper installation and regular maintenance are crucial to minimize this risk.

The Perma-Coil 1428-110 5/8-11 NC STi Permascreen Helical Oil Cooler offers numerous benefits, including enhanced cooling efficiency, durability, easy installation, improved engine performance, and an impressive flow rate. Despite its high price tag and potential size concerns, the advantages of this oil cooler far outweigh the drawbacks. For Subaru Impreza WRX STI owners seeking to optimize their engine's performance and reliability, investing in a high-quality oil cooler like the Perma-Coil 1428-110 is a worthwhile investment.

Details:

AIs inventory number: ptt1428-110, location - south wall, of part: new not in original packaging: perma coil 1428-110 5/8-11 nc Sti carbon steel screw thread insert tap: made to 3b ANSI standard: for use solely installing free running and repair inserts, this has no other purpose will work with standard threads low tensile metals such as mild steel, brass, aluminum.

specifications threadtoollot:

• for models: Sti
• brand: Permacoil
• mpn: 1428-110
• type: Screw Thread Insert Tap
• system of measurement: Sae
• set or single item: Single Item
• upc: 790694141102
• country of origin: United States

seller threadtoollot:

• rating: 93.3%
• city: atlanta, georgia
• # reviews: 17

shipping threadtoollot:

• transit: 5-12 days
• type: fixed
• service: economy
• class: economy

offer threadtoollot:

• availability: in stock
• options: ship-to-home
• started: december 22, 2025
• sold #: 12
• quantity: 1

payments threadtoollot:

• other
• wallet: google-pay
• credit card: visa

general threadtoollot:

• category: Auto Parts > Supplies > Hand > Threading Tools

returns threadtoollot:

• policy: no returns