GMC TRUCK 02487298 Passenger Right Cylinder Head TGMC2500 306-00760 6-305 64-69

( Brand: Gmc Truck ), ( Manufacturer Part Number: 02487298 ), ( Model: TGMC2500 ), ( Part Type: Cylinder Head ), ( Conditions Options: Rh, 305, V6 ), ( Genuine Oem: Yes ), ( Ipn: 306-00760 )

Review GMC TRUCK Passenger Right Cylinder Head 64-69 Pickup fits 2500 1965

The **GMC 02487298 Passenger-Side Cylinder Head** is a critical and highly specialized component designed exclusively for the **1964 1969 Chevrolet/GMC 305 cubic-inch inline-six engine**, specifically the **2500 series** (including models like the C/K pickup trucks, Suburban, and other heavy-duty applications). This forged aluminum head is engineered to house the engine s six cylinders, ensuring optimal combustion efficiency, cooling performance, and structural integrity under demanding workloads. The casting features precise valve seat inserts typically made from high-grade steel or iron for reliable sealing and durability, while the integrated rocker cover mounts provide a secure enclosure for the valve train components. The head is meticulously machined to accommodate the **6-305** engine s pushrod-operated overhead valve design, with precise valve guide and seat angles optimized for smooth airflow and reduced carbon buildup. Whether installed in a classic GMC pickup, a restored Suburban, or a high-performance restoration project, this head is built to withstand the rigors of heavy-duty towing, long-haul hauling, or daily driver reliability. Its compatibility with the **64-69** model range ensures a seamless fit with stock or aftermarket cylinder blocks, intake manifolds, and valve springs, making it an essential replacement for engines requiring a durable, factory-matched component. For enthusiasts and mechanics alike, this cylinder head represents a blend of rugged engineering and timeless design, ensuring peak performance and longevity in one of America s most enduring inline-six powerplants.

### **Pros and Cons of Buying a GMC 6-305 Cylinder Head (Part #02487298) for a 1964-1969 2500 Series Truck**

1. **Direct Fitment** This part is specifically designed for the 6-305 V8 engine used in GMC 2500 trucks from 1964 to 1969. It should align perfectly with your engine s specifications, reducing the risk of compatibility issues.

2. **OEM Quality** As an original equipment manufacturer (OEM) part, it meets the same standards as the factory components. This ensures proper sealing, cooling, and structural integrity, which is critical for long-term reliability.

3. **Reliability** The 6-305 engine is a robust, heavy-duty powerplant known for durability. A genuine cylinder head helps maintain the engine s performance and longevity, especially if the original head was damaged or worn.

4. **Ease of Installation** Since it s a direct replacement, installation should be straightforward if you have basic mechanical skills or access to a professional. No major modifications to the engine block or other components are typically required.

5. **Support for Performance** If you plan to modify or restore your truck, a new cylinder head ensures a clean, uncompromised foundation for tuning, porting, or other upgrades.

6. **Availability of Gaskets & Hardware** GMC and Chevrolet (which shares many parts with GMC) still carry gaskets, bolts, and seals for this engine, making it easier to complete the job properly.

7. **Resale Value Preservation** Restoring the engine with OEM parts can help maintain or even increase the truck s value, especially if you plan to keep it as a classic or restoration project.

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1. **Cost** OEM cylinder heads can be expensive, especially for older, discontinued models. The price may be significantly higher than aftermarket alternatives, which could offer similar performance at a lower cost.

2. **Age & Condition of the Engine** If the rest of the engine (block, pistons, valves, etc.) is worn or damaged, replacing just the cylinder head may not fully resolve performance issues. A full engine rebuild might be necessary for optimal results.

3. **Limited Aftermarket Support** Unlike newer engines, the 6-305 has fewer aftermarket cylinder head options. If you prefer customizing or upgrading, you may be limited to porting the OEM head or using rare aftermarket parts.

4. **Potential for Counterfeit Parts** Buying from untrusted sellers (e.g., eBay, Facebook Marketplace, or unknown online stores) risks receiving a fake or salvaged part. Always verify the part s authenticity and condition before purchasing.

5. **Labor Intensity** Removing and installing a cylinder head requires disassembling much of the upper engine, including the intake manifold, valves, and rocker arms. This can be time-consuming and may require specialized tools.

6. **Depreciation Risk** If the truck is not a well-documented restoration project, the value of the OEM part may not be fully realized. Salvage yards or junkyards might sell similar parts for less, but quality and fitment could be questionable.

7. **Limited Warranty** OEM parts often come with minimal or no warranty, especially for used or reconditioned units. If the part fails shortly after installation, you may be responsible for repair costs.

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Buying an OEM GMC 6-305 cylinder head (part #02487298) for your 1964 1969 2500 truck is a solid choice if you prioritize **direct fitment, reliability, and long-term engine health**. It s ideal for restorers, enthusiasts who value authenticity, or those who want to avoid compatibility issues. However, the **high cost, potential for counterfeit parts, and labor-intensive installation** make it less ideal for budget-conscious buyers or casual owners.

If you re on a tight budget, consider **aftermarket alternatives** (e.g., Edelbrock, Holley, or performance cylinder heads) or **salvage parts from a trusted source** (like a known junkyard with a good reputation). Always inspect the part for cracks, warping, or damage before purchasing.

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- **If restoring or maintaining originality:** Purchase the **OEM part from a reputable dealer** (e.g., RockAuto, Summit Racing, or a local GMC/Chevy parts store) and ensure it s new or reconditioned with a warranty.

- **If budget is a concern:** Explore **aftermarket cylinder heads** (e.g., Edelbrock s 6-305 heads) or **high-quality salvage parts** from a trusted source. Verify the part s condition (e.g., no cracks, proper machining) before installing.

- **If unsure about installation:** Consult a **mechanic or engine specialist** familiar with the 6-305 to assess whether a full rebuild or additional repairs are needed alongside the cylinder head replacement.

- **Always verify the part s authenticity** by checking the serial number, condition, and seller reputation to avoid counterfeit or damaged units.

For a classic truck, investing in quality parts like this OEM cylinder head will pay off in **reliability and performance** just weigh the cost against your project s goals.

Details:

All parts sold as is except expressly provided below. Scope: This limited warranty covers defects in the purchased part that render it inoperable or defective within 90-day period. GMC 1000 PICKUP 64-66 6-305;.

Brokered/non-stocked parts ordered specifically for your request. Limited Warranty Coverage.

No expedited shipping is available. Transmissions: Transmissions will come with the torque converter and all sensors. GMC 1500 PICKUP 64-69 6-305;. The part has not been installed.

GMC 2500 PICKUP 64-69 6-305;. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way. Dispute Resolution. Steering Columns: All steering columns sold will come without airbags.

Check the Q A section for Business Support. The part is not a custom body cut. 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. 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.

Sensors, valve covers, timing covers attached to core short/long blocks are not covered. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. The part has not been altered, modified, disassembled, overheated or damaged. Exclusions from Limited Warranty.

Please remember you are purchasing OEM Original Equipment Manufacturer USED parts. The part is not a special order. Normal wear and tear from the previous use is expected. Bumper assemblies DO NOT come with Upper Grilles unless stated.

part #: 02487298 prices

• $100.00-$124.00

specifications cylinderheapar:

• for makes: Gmc
• for years: 1965
• brand: Gmc Truck
• mpn: 02487298
• model: Tgmc2500
• part type: Cylinder Head
• conditions options: Rh, 305, V6
• genuine oem: Yes
• ipn: 306-00760

seller cylinderheapar:

• city: Annandale, Minnesota
• # reviews: 43254
• rating: 99.6%

payments cylinderheapar:

• other
• wallet: Apple-pay
• credit card: Discover

shipping cylinderheapar:

• class: Standard
• service: Standard
• cost: $65.00
• type: Fixed
• transit: 3-5 Days

offer cylinderheapar:

• quantity: 1
• options: Ship-to-home
• started: February 16, 2026
• sold: 0
• availability: In Stock

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

returns cylinderheapar:

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

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