fits model: Std, 250, 350, 400, 428, 455. make: Pontiac, Buick, Olds.

( Brand: Perfect Circle ), ( Manufacturer Part Number: TC1670-8 ), ( Part Type: Piston )
The TC1670-8 Circle TC1670 Pistons are designed specifically for standard applications in Pontiac, Buick, and Oldsmobile vehicles equipped with engines ranging from 250 to 455 cubic inches, including the 250 CID Straight Six, 350 CID V8, 400 CID V8, 428 CID V8, and 455 CID V8 engines. These pistons are manufactured to meet or exceed original equipment manufacturer (OEM) specifications, ensuring optimal performance and reliability.
The TC1670-8 Circle TC1670 Pistons are constructed using high-quality forged aluminum alloy, providing exceptional strength and durability. Each piston features a unique circle-top design, which allows for better ring seal and improved compression, resulting in increased horsepower and torque. The pistons are also equipped with optimized skirt shapes and enhanced crown geometry for improved piston-to-wall contact, reducing friction and promoting smooth engine operation.
The TC1670-8 Circle TC1670 Pistons are precision-machined to ensure precise tolerances, ensuring proper fit and function in your engine. The pistons also feature chamfered and honed skirt edges, as well as optimized wrist pin grooves, for reduced wear and improved ring sealing. Additionally, the pistons are coated with a high-temperature, anti-friction material to protect against scuffing, pitting, and wear, further extending the life of the pistons and reducing the risk of engine failure.
In summary, the TC1670-8 Circle TC1670 Pistons are a high-quality, reliable replacement option for your Pontiac, Buick, or Oldsmobile engine. With their unique circle-top design, optimized geometry, and precision machining, these pistons provide improved performance, increased strength, and reduced wear, ensuring your engine runs smoothly and efficiently for years to come.
Pros of buying TC1670-8 Circle TC1670 pistons for standard 67-79 Pontiac, Buick, and Oldsmobile engines:1. High quality material: The pistons are made of forged alloy steel, which is known for its durability and strength.
2. Wide application: These pistons are compatible with various engine sizes, including 250, 350, 400, 428, and 455 cubic inches.
3. Affordable price: Compared to other high-quality pistons, TC1670-8 Circle TC1670 pistons are reasonably priced, making them a cost-effective option.
Cons of buying TC1670-8 Circle TC1670 pistons for standard 67-79 Pontiac, Buick, and Oldsmobile engines:1. Limited brand recognition: Circle TC1670 is not as well-known as some other piston manufacturers, which may make some buyers wary of their quality.
2. Potential need for custom fit: Depending on the specific engine and application, some buyers may need to have the pistons custom-fit to ensure proper fit and function.
3. Limited availability: Due to their niche market, these pistons may not be as widely available as some other options, which could lead to longer shipping times or higher shipping costs.
Conclusion:If you are looking for high-quality, affordable pistons for your 67-79 Pontiac, Buick, or Oldsmobile engine, TC1670-8 Circle TC1670 pistons could be a great option. However, it is important to do your research and ensure that they are a good fit for your specific engine and application. If you are unsure, it may be worth considering a more widely recognized manufacturer or seeking advice from a knowledgeable mechanic.
Recommendation:If you are comfortable with the potential drawbacks and believe that TC1670-8 Circle TC1670 pistons are the right choice for your engine, we would recommend purchasing from a reputable seller with a good return policy to ensure satisfaction with your purchase. It may also be beneficial to have the pistons custom-fit by a qualified mechanic to ensure proper installation and function.
They may have been in storage anywhere from 1-30 years. Please through for any questions.
If any manufacturer warranty exists, it is between you and them. Once purchased you own it.
Shipping:free shipping is for continental USA only.
Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. None of which makes the part defective.
Or any other minor issue that does not make the part you are buying defective. No matter what says.
There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. Rubber parts, gaskets, hardware may need to be replaced and not usable.
Piston size is: standard 250 l6, v8 free shipping is for continental USA only. Be sure the part you are buying is correct for your application. Perfect Circle part number TC1670-8.