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  3. THOMPSON IS-167

THOMPSON IS-167 Nos Valve Seats Nos/nors 1-3/

fits model: 302, Continental. make: Gmc.

Is-167 Thompson Nos/nors Valve Seats 1-3/ Inch Id Continental M Series Gmc 302 6 Cyl

( Brand: Thompson ), ( Manufacturer Part Number: IS-167 ), ( Part Type: Valve Seat ), ( Vintage Part: Yes )

Review THOMPSON Nos/nors Valve Seats 1-3/ Inch Id Series Gmc Cyl fits CONTINENTAL 302

The Thompson IS-167 NOS/NORs valve seats are a premium replacement option for Continental and GMC 302 engines. These valve seats are designed to provide superior sealing and durability compared to original equipment parts.

The IS-167 NOS/NORs valve seats are made from high-quality materials, specifically engineered to withstand the rigors of high-performance applications. They are precision-machined to ensure a perfect fit in the engine head, eliminating the need for extensive machining during installation.

These valve seats feature a unique NOS (Nitroced) and NORs (Nitride Oxide) surface treatment. NOS is a proprietary nitriding process that hardens the valve seat surface, increasing its strength and durability. NORs is a nitride oxide coating that provides an additional layer of protection against wear and corrosion.

The IS-167 NOS/NORs valve seats are designed to provide excellent sealing, even in high-heat environments. They are suitable for use with unleaded and leaded fuels, making them a versatile option for a wide range of applications.

Installation of these valve seats is straightforward and can be completed in a standard machine shop. They come with detailed installation instructions to ensure a successful installation. Each valve seat is individually inspected and packaged to ensure that customers receive only the highest quality product.

In summary, the Thompson IS-167 NOS/NORs valve seats are a high-performance replacement option for Continental and GMC 302 engines. They offer superior sealing, durability, and resistance to wear and corrosion, making them an excellent choice for high-performance applications or for engines that have seen heavy use.

Thompson IS-167 NOS/NOR valve seats for Continental GMC 302 engines are aftermarket parts designed to replace the original valve seats during engine rebuilding or performance upgrades. Here are some potential pros and cons of buying these valve seats:

Pros:

1. Improved Performance: Aftermarket valve seats can provide improved sealing, allowing for increased engine performance and efficiency.

2. Durability: High-quality aftermarket valve seats, like Thompson IS-167, are often made from stronger materials than OEM parts, which can make them more durable and less prone to wear and failure.

3. Customization: Aftermarket valve seats offer the opportunity to customize engine specifications to specific performance needs or preferences.

4. Availability: Aftermarket valve seats may be more readily available than OEM parts, especially for older or discontinued engines.

Cons:

1. Cost: Aftermarket valve seats can be more expensive than OEM parts due to the additional costs associated with manufacturing and distribution.

2. Compatibility: It's important to ensure that the aftermarket valve seats are compatible with the specific engine and application to avoid potential issues.

3. Installation: Installing aftermarket valve seats can be more complex than installing OEM parts, requiring additional time and expertise.

4. Warranty: OEM parts often come with manufacturer warranties, while aftermarket parts may not have the same level of coverage.

In conclusion, the decision to buy Thompson IS-167 NOS/NOR valve seats for a Continental GMC 302 engine depends on individual priorities and circumstances. If maximum performance and durability are the primary concerns, aftermarket valve seats may be the best choice. However, if cost and ease of installation are more important factors, OEM parts may be the better option. Ultimately, it's crucial to research thoroughly, consider the specific engine requirements, and ensure compatibility before making a purchase.

Details:

Please see photos for more details. 22 pieces total included.

part #: is167 price

  • $129.00

specifications voomvalve:

  • for models: 302, Continental
  • for makes: Gmc
  • brand: Thompson
  • mpn: Is-167
  • part type: Valve Seat
  • vintage part: Yes

shipping voomvalve:

  • cost: $13.20
  • service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, UPS Ground
  • class: Standard
  • transit: 4-10 Days
  • type: Calculated
  • carrier: USPS, FedEx, UPS

returns voomvalve:

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

offer voomvalve:

  • options: Ship-to-home
  • best offers: True
  • started: October 4, 2025
  • availability: In Stock
  • sold: 0
  • quantity: 1

general voomvalve:

  • Engines Engine Parts > Valvetrain Components > Valves
  • condition: New other see details

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seller voomvalve:

  • rating: 99.5%
  • # reviews: 16826
  • city: Amelia, Ohio
for models: 302, continental, for makes: gmc, part type: valve seat, vintage part: yes,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 9720171655931752,

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1 offer $129.00 USD
  • Offer #1: $129.00 price + $15.10 shipping estimate = $144.10* total. 22 pieces total included.+$15.10 shipping

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