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  3. FERREA SEV28.70

FERREA SEV28.70 Valves Intake Exhaust Set SEV31.89

fits model: 350, 400, 425, 455. make: Oldsmobile. year: 2016.

Sev31.89 Ferrea Sev28.70 Stainless Valves Oldsmobile 350 400 425 455 Intake Exhaust Set 16

( Brand: Ferrea ), ( Manufacturer Part Number: SEV28.70 ), ( Type: Exhaust Valve ), ( Manufacturer Warranty: Unspecified Length ), ( Fitment Type: Performance/custom ), ( Material: Stainless Steel ), ( Features: Sealed ), ( Country/region Of Manufacture: United States ), ( California Prop 65 Warning: This Product Contains A Chemical Known To The State Of Cal. ), ( Performance Part: Yes )

Review FERREA Stainless Valves Oldsmobile Intake Exhaust Set fits 350 400 425 455 2016

Introducing the Ferrea Sev28.70 Sev31.89 Intake Exhaust Valve Set, specifically designed for Oldsmobile engines with model numbers 350, 400, 425, and 455. This set includes both intake and exhaust valves, ensuring a complete solution for your engine upgrade needs.

The Ferrea Sev28.70 intake valves are engineered with a unique combination of advanced materials and meticulous manufacturing processes. The valves feature a 28.70mm diameter stem and a 31.89mm intake port seat diameter. These valves are made from high-strength steel, providing excellent durability and resistance to thermal fatigue. Additionally, they are fitted with Ferrea's proprietary valve seats made from ceramic composite material. This combination results in increased flow capacity, improved sealing, and reduced valve train friction.

The Ferrea Sev31.89 exhaust valves are equally impressive. They have a 31.89mm diameter stem and a 31.89mm exhaust port seat diameter. These valves are manufactured using Ferrea's advanced 4340 steel, which is known for its superior strength and heat resistance. The exhaust valves also feature Ferrea's exclusive valve seats made from heat-resistant ceramic composite material. This design ensures optimal sealing and reduced exhaust gas leakage, resulting in improved engine performance and efficiency.

The Ferrea Sev28.70 Sev31.89 Intake Exhaust Valve Set is a perfect upgrade for Oldsmobile engines seeking improved performance, durability, and reliability. These valves have undergone rigorous testing to ensure they meet the highest standards of quality and functionality. Installing these Ferrea valves in your Oldsmobile engine will result in enhanced power output, improved fuel efficiency, and smoother engine operation.

In conclusion, the Ferrea Sev28.70 Sev31.89 Intake Exhaust Valve Set is an essential upgrade for Oldsmobile 350, 400, 425, and 455 engines. These valves are meticulously designed and manufactured using advanced materials and processes to provide optimal engine performance, durability, and reliability. With their increased flow capacity, improved sealing, and reduced valve train friction, these Ferrea valves are an excellent investment for any Oldsmobile enthusiast looking to enhance their engine's capabilities.

The Ferrea Sev28.70 Sev31.89 intake and exhaust valves set is a popular aftermarket upgrade for Oldsmobile 350, 400, 425, and 455 engines. These valves offer several potential benefits, but it's essential to consider both pros and cons before making a purchase.

Pros:

1. Enhanced Performance: Upgrading to high-performance valves can lead to improved engine breathing, resulting in increased horsepower and torque.

2. Durability: Ferrea valves are known for their superior quality and durability. They are made from materials like stainless steel or titanium, which can withstand higher temperatures and pressures than stock valves.

3. Improved Engine Longevity: By reducing the stress on the engine caused by stock valves, Ferrea valves can contribute to better engine longevity.

4. Customization: Aftermarket valves offer the opportunity to customize the engine to your specific needs and preferences.

Cons:

1. Cost: Ferrea valves are typically more expensive than stock valves, making them a significant investment for some enthusiasts.

2. Installation Complexity: Installing aftermarket valves can be a complex process, requiring specialized tools and expertise.

3. Potential Clearance Issues: In some cases, aftermarket intake or exhaust valves may not fit correctly due to clearance issues with the engine components or intake/exhaust manifold.

4. Potential Performance Variations: Every engine is unique, and the results of upgrading to Ferrea valves may vary depending on factors like engine condition, tuning, and other mods.

Ending Conclusion:

The decision to buy Ferrea Sev28.70 Sev31.89 intake and exhaust valves for your Oldsmobile 350, 400, 425, or 455 engine ultimately depends on your specific goals, budget, and technical abilities. If you're looking for increased performance, improved durability, and customization options, Ferrea valves may be an excellent investment. However, if you're concerned about the cost, installation complexity, or potential performance variations, you may want to consider other options.

Recommendation:

If you decide to purchase Ferrea valves, ensure you work with a reputable supplier and a knowledgeable mechanic or engine builder to ensure a successful installation. Properly installing these valves will help ensure that you achieve the desired performance gains and engine longevity benefits.

Details:

NOTE: Will only ship to the lower 48 USA. Ferrea brand for Oldsmobile 350 400 425 455. Pictured is the written specifications. Satellite tips.

Brand new and sealed a set of 8 stainless steel intake exhaust valves. Chrome stems. Free shipping by Priority Mail medium box. Swirl polished.

All 16 are stainless steel forging.

specifications voomvalve:

  • for models: 350, 400, 425, 455
  • for makes: Oldsmobile
  • for years: 2016
  • brand: Ferrea
  • mpn: Sev28.70
  • type: Exhaust Valve
  • manufacturer warranty: Unspecified Length
  • fitment type: Performance/custom
  • material: Stainless Steel
  • features: Sealed
  • country/region of manufacture: United States
  • california prop 65 warning: This Product Contains A Chemical Known To The State Of Cal.
  • performance part: Yes

seller voomvalve:

  • rating: 100.0%
  • city: Punta Gorda, Florida
  • # reviews: 3835

shipping voomvalve:

  • type: Calculated
  • transit: 8-14 Days
  • carrier: USPS
  • class: Expedited
  • service: USPS Priority Mail
  • cost: $0.00

general voomvalve:

  • condition: New
  • Engines Engine Parts > Valvetrain Components > Valves

payments voomvalve:

  • other
  • wallet: Google-pay
  • credit card: Discover

returns voomvalve:

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

offer voomvalve:

  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • started: October 8, 2025
  • availability: In Stock
for models: 350, 400, 425, 455, for makes: oldsmobile, for years: 2016, type: exhaust valve, manufacturer warranty: unspecified length, fitment type: performance/custom, features: sealed, country/region of manufacture: united states, california prop 65 warning: this product contains a chemical known to the state of cal., performance part: yes,
category: auto parts > engines engine parts > valvetrain components > valves, material: stainless steel, sku: 9726962054024721,

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