PONTIAC CAST-481990 Core Block Engine 300-02350B 8-350 E-04-2 70-72 1276072

( Part Type: Block Engine ), ( Conditions Options: 350, L-blk, For Rebuild, Spins, Notes ), ( Genuine Oem: Yes ), ( Ipn: 300-02350b ), ( Designation: For Parts Not Working )

Review PONTIAC Core Long Block Engine Fits 70-72 fits FIREBIRD 1971

The Pontiac 300-02350B Core Block Engine is a classic automotive component that caters to the specific needs of 1970-1972 Firebird models equipped with the 8-350 engine. This cast iron engine block, identified by the E-04-2 and 481990-C cast numbers, is a must-have for enthusiasts and restorers seeking authenticity and performance.

This engine block boasts a 350 cubic inch displacement, presenting a powerful foundation for your Firebird. Its cast iron construction offers unparalleled durability and strength, ensuring that it withstands the rigors of daily driving or high-performance applications. The block's design includes a wet-sump oiling system, which efficiently distributes oil to the vital engine components for effective lubrication.

The Pontiac 300-02350B Core Block Engine is compatible with both the small-block and big-block 350 engines, providing versatility for various applications. Its four-bolt main bearing design enhances its ability to endure heavy loads, making it suitable for high-performance setups. Moreover, the engine block's cross-drilled oil passages improve cooling efficiency, ensuring optimal engine performance and longevity.

The 1970-1972 Firebird's engine compartment is home to this impressive engine block, which features a factory-style appearance and fitment. The Pontiac 300-02350B Core Block Engine is designed to seamlessly integrate into your vehicle, delivering a genuine and authentic restoration experience.

When you install this engine block into your Firebird, you'll not only be upgrading its power and performance but also ensuring its authenticity and longevity. This classic component is a perfect blend of style, functionality, and durability, making it an essential addition to any Firebird enthusiast's garage.

The Pontiac 300-02350B core block engine 8-350 (cast-481990 e-04-2) was produced for use in Firebird models from 1970 to 1972. Here are some potential pros and cons for considering the purchase of this engine:

1. Authenticity: If you are restoring a classic Firebird, this engine could be a good fit due to its originality.

2. Availability: These engines are relatively common on the aftermarket, making them easier to find and purchase.

3. Affordability: Compared to rebuilding or purchasing a new engine, buying a used core block engine can be more cost-effective.

4. Power: The 350 cubic inch V8 engine is known for its power and torque, making it a popular choice for muscle car enthusiasts.

1. Wear and Tear: Used engines, even if rebuilt or reconditioned, may still have hidden issues or wear and tear that could cause problems down the line.

2. Performance: Depending on the condition of the engine, it may not perform as well as a new or rebuilt engine.

3. Compatibility: This engine may require additional modifications or upgrades to make it fully compatible with your specific Firebird model.

4. Reliability: Older engines, even if well-maintained, may be less reliable than newer engines due to their age and design.

In conclusion, buying a Pontiac 300-02350B core block engine 8-350 for a 1970-1972 Firebird can be a good option for those looking for affordability, authenticity, and power. However, it is important to be aware of the potential drawbacks, such as wear and tear, compatibility issues, and reliability concerns. Ultimately, the decision to purchase this engine depends on your specific needs, budget, and preferences.

If you are confident in your mechanical abilities and are comfortable with the potential risks, then a used engine like the Pontiac 300-02350B could be a good choice for your Firebird restoration project. However, if you prefer a more reliable and worry-free option, you may want to consider a new or rebuilt engine instead.

Details:

Please remember you are purchasing OEM Original Equipment Manufacturer USED parts. Labor and Related Costs: This limited warranty does not cover labor, diagnostics, towing, rental car costs, or any other expenses related to the installation, testing, removal, replacement of a part. Scope: This limited warranty covers defects in the purchased part that render it inoperable or defective within 90-day period.

VENTURA II 72 8-350. The part is not a custom body cut. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines.

No expedited shipping is available. Limited Warranty Coverage. The part is not a special order. Steering Columns: All steering columns sold will come without airbags.

Bumper assemblies DO NOT come with Upper Grilles unless stated. Bolt-on items The part has not been altered, modified, disassembled, overheated or damaged. Brokered/non-stocked parts ordered specifically for your request.

The part has not been installed. Check the Q A section for Business Support. Exclusions from Limited Warranty.

All parts sold as is except expressly provided below. Normal wear and tear from the previous use is expected. Transmissions: Transmissions will come with the torque converter and all sensors. Sensors, valve covers, timing covers attached to core short/long blocks are not covered.

FIREBIRD 70-72 8-350. Convenience Items: Items attached to or included with the part, such as wiring, bulbs, sockets, sensors, coils, distributor caps, spark plugs, water pumps, filters, brake parts, backing plates, hoses, vacuum lines, u-joints, timing belts/components, similar items, are considered convenience items and not covered by this limited warranty. Dispute Resolution.

part #: cast-481990 prices

• $140.70-$2125.00

specifications grokengines:

• for models: Firebird
• for makes: Pontiac
• for years: 1971
• part type: Block Engine
• conditions options: 350, L-blk, For Rebuild, Spins, Notes
• genuine oem: Yes
• ipn: 300-02350b
• designation: For Parts Not Working

offer grokengines:

• availability: In Stock
• started: September 29, 2025
• quantity: 1
• options: Ship-to-home
• sold: 0

payments grokengines:

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

general grokengines:

• condition: For parts or not working
• Car Truck Parts Accessories > Engines Engine Parts > Engines

seller grokengines:

• city: Annandale, Minnesota
• # reviews: 37978
• rating: 99.5%

returns grokengines:

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

shipping grokengines:

• type: Fixed
• class: Standard
• transit: 2-4 Days
• service: Standard
• cost: $335.00

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