fits make: Gmc. year: 1960–1972.

( Brand: Old Parts Source ), ( Manufacturer Part Number: PST-173A ), ( Part Type: Piston Pin Engine )
The 1960-1972 pistons pins for GMC 401 and 401M V6 engines, specifically the 173A PST, are essential components for maintaining the optimal performance of your engine. These pistons pins are designed to provide a secure connection between the piston and the connecting rod, ensuring smooth operation and reducing wear and tear.
The pistons pins are manufactured using high-quality materials that are known for their strength and durability. They are typically made of chrome-molybdenum steel, which is heat-treated to enhance its properties. This material offers superior resistance to fatigue, corrosion, and wear, ensuring long-lasting performance even under heavy load conditions.
The pins are precision-machined to ensure a perfect fit with the piston and connecting rod. They have a tapered design that allows for easy installation and removal. The tapered end of the pin fits into the piston, while the other end fits into the connecting rod. The pins also have a groove or a shouldered design, which helps in aligning the piston correctly during assembly.
The piston pins for GMC 401 and 401M V6 engines are available in various lengths to accommodate different engine configurations. They are also available in different diameters to match the size of the piston and connecting rod. It is important to choose the correct size and length of the piston pin to ensure proper fit and function.
Installing the piston pins is a straightforward process, but it requires careful attention to detail to avoid damaging the piston or connecting rod. It is recommended to use a piston pin puller to remove the old pin and install the new one. The new piston pin should be properly lubricated before installation to ensure smooth operation.
In conclusion, the 1960-1972 pistons pins for GMC 401 and 401M V6 engines are essential components that play a critical role in the performance and longevity of your engine. They are made of high-quality materials, precision-machined, and available in various sizes to fit different engine configurations. Proper installation and regular maintenance can help ensure that these piston pins continue to provide reliable service for many years to come.
Pros of buying 1960-1972 GMC 401/401M V6 engine pistons and pins:1. Availability: These parts are relatively common and can be easily found in aftermarket stores or online marketplaces.
2. Cost-effective: Compared to buying a new engine, replacing the pistons and pins can be a more cost-effective solution if the engine block is in good condition.
3. Authenticity: By using original GMC parts, you can maintain the originality and value of your vehicle.
Cons of buying 1960-1972 GMC 401/401M V6 engine pistons and pins:1. Quality concerns: Aftermarket parts may not be of the same quality as original GMC parts, and could potentially lead to engine problems down the line.
2. Compatibility issues: If the pistons and pins are not compatible with the rest of the engine, it could lead to engine damage or poor performance.
3. Time-consuming: Replacing pistons and pins is a labor-intensive process that requires specialized tools and skills, and may take several hours to complete.
Conclusion: While buying 1960-1972 GMC 401/401M V6 engine pistons and pins can be a cost-effective and authentic solution, it is important to ensure that the parts are of high quality and compatible with the rest of the engine. It is recommended to purchase parts from a reputable supplier and have the work done by a qualified mechanic to minimize the risk of engine damage or poor performance.
The set includes 6 pistons with pins and retaining snap rings. The standard bore is these pistons fit following engines: Gmc b, bah, Be, h, l, LHS, Le, Sp, w50 w55 60 b60 l600 w 401-6cyl 1966 series HM, Jim, rm, 75 TM, Wm 401M-6cyl 76 77 78 85 86 control pst 173a.
060 oversized. Up for sale is a new set of 6 pistons.