fits model: 350, 400, 455. make: Pontiac.

( Manufacturer Part Number: 03050 ), ( Pulley Type: Crankshaft ), ( Material: Cast ), ( Belt Type: V-belt ), ( Type: Pulley ), ( Fitment Type: Performance/custom ), ( Mounting Hardware Included: Yes )
This is a high-quality 4-bolt crankshaft pulley for Pontiac vehicles with engine models ranging from 350 to 455, specifically for engines manufactured between 1970 and 1979. This pulley is designed to fit onto the front of the engine, replacing the original pulley to drive the alternator.
The pulley features a 4-bolt pattern, ensuring a secure and reliable fit to the crankshaft. It is made of durable materials, such as aluminum, to provide strength and longevity. The 03050 part number is specific to this pulley, making it easy to identify and order as a replacement part.
The pulley has a smooth, polished finish that not only looks great but also reduces friction between the pulley and the belt, ensuring optimal performance and longevity of the alternator. It is designed to fit standard belt widths, making it compatible with many alternators.
This pulley is an excellent choice for any Pontiac engine rebuild or upgrade project. It is a direct replacement for the original pulley, making installation quick and easy, saving you time and effort. The high-quality materials and design ensure reliable performance and long-term durability, giving you peace of mind on the road.
In summary, this 4-bolt crankshaft pulley is a durable, high-quality replacement part for Pontiac engines with a 4-bolt crankshaft, specifically for engines with displacements ranging from 350 to 455, manufactured between 1970 and 1979. It is a direct replacement for the original pulley, ensuring quick and easy installation, and is designed to provide reliable performance and long-term durability.
Pros of Buying 4-Bolt 70-79 Pontiac 350/400/455 Crankshaft with AC Pulley and Front Mount:1. Compatibility: This crankshaft is a direct fit for 1970-1979 Pontiac vehicles with 350, 400, or 455 engines, making it an easy replacement for existing engines.
2. Durability: The 4-bolt crankshaft design is known for its strength and reliability, which can help improve the overall performance and longevity of the engine.
3. Air Conditioning: The inclusion of an AC pulley allows for the easy installation of an air conditioning system, making this crankshaft a great choice for vehicles that need cooling during hot weather.
4. Front Mount: The front mount design allows for easy installation and reduces the need for additional modifications to the engine bay.
Cons of Buying 4-Bolt 70-79 Pontiac 350/400/455 Crankshaft with AC Pulley and Front Mount:1. Cost: Replacing an engine crankshaft can be a costly repair, and this particular crankshaft may be more expensive than some other options due to its additional features.
2. Availability: Some parts stores may not carry this specific crankshaft, so it may need to be ordered online or from a specialty parts supplier, which could take longer to receive.
3. Installation: Installing a new engine crankshaft can be a challenging repair, and it may require specialized tools and knowledge to ensure it's done correctly.
Conclusion:The 4-bolt 70-79 Pontiac 350/400/455 crankshaft with AC pulley and front mount is a great option for those looking to upgrade their engine or repair a damaged crankshaft. Its durability, compatibility, and ease of installation make it a reliable choice, although its cost and potential availability could be a concern for some. If the cost is within your budget and you have the necessary tools and knowledge to install it, this crankshaft could be a worthwhile investment for improving the performance and longevity of your Pontiac engine.
Used crankshaft pulley. It is 6 in diameter and 3 deep when flayed on a table. This was removed from a 77 400 with aftermarket c.
This pulley is cast iron. The v-belt groove will sit roughly forward of PS alt water pump pulleys. This is for aftermarket a c, where the pulley sits in front of other pulleys, closest to radiator. This pulley is for Pontiac engines with a 4-bolt hole balance.
Again, this is for aftermarket A/C using the forward mount pulleys.