ZOLLNER 491-O Set Pistons Engines Semi 40-41 256

( Brand: Zollner ), ( Manufacturer Part Number: 491-O ), ( Part Type: Piston Engine ), ( Country/region Of Manufacture: United States ), ( Quantity Sold: Set Of Six )

Review ZOLLNER 40-41 Nors Set Six Pistons Gmc 256 Engines 491o Semi finished

The 40-41 set pistons for GMC 256 engines, specifically the Zollner 491O and 491 semi-finished variants, are high-quality components designed to deliver optimal performance and durability. These pistons are meticulously crafted with precision and attention to detail, ensuring a perfect fit within your engine's cylinder bores.

The 491O pistons are fully finished, meaning they are ready for immediate installation. They are made from top-tier materials, such as forged 2618 alloy, which is known for its exceptional strength and temperature resistance. The piston crowns have a honed surface, which promotes efficient combustion, while the skirts are designed to minimize friction with the cylinder walls, reducing wear and tear over time.

On the other hand, the 491 semi-finished pistons require some additional work before they can be installed. These pistons are typically used for engine builds or rebuilds, where the customer has specific requirements or preferences for the piston's final dimensions or surface treatments. The semi-finished pistons come with a rough honed surface and are ready for final machining, such as skirts squishing, to meet your specific engine specifications.

Regardless of whether you choose the fully finished 491O pistons or the semi-finished 491 pistons, you can expect these GMC 256 pistons to provide superior performance and reliability. They are designed to handle the high pressures and temperatures encountered in modern engines, ensuring longevity and reliability for your vehicle.

In summary, the 40-41 set pistons for GMC 256 engines (Zollner 491O and 491 semi-finished) are premium quality components designed to deliver exceptional performance and durability. Whether you're looking for ready-to-install pistons or components for custom engine builds, these pistons are an excellent choice for your GMC 256 engine.

1. Cost-effective: Purchasing semi-finished pistons can be cheaper than buying fully finished or new ones.

2. Customizable: Since these are semi-finished, you have the opportunity to customize the pistons according to your engine's specifications and requirements.

3. Availability: Semi-finished pistons are often more readily available than their fully finished counterparts, as they are not as commonly used in new vehicles.

1. Requires additional work: Since these are semi-finished, you will need to complete the machining and assembly process yourself, which requires specialized knowledge and equipment.

2. Quality control: With semi-finished pistons, you may have less control over the quality of the finished product compared to purchasing fully finished pistons from a trusted manufacturer.

3. Time-consuming: Completing the assembly process yourself can be a lengthy and time-consuming process, potentially delaying the completion of your engine rebuild.

If you have the necessary knowledge, equipment, and time to complete the assembly process, purchasing 40-41 set pistons (GMC 256 engines, Zollner 491o 491 semi-finished 491-o) can be a cost-effective and customizable solution for your engine rebuild project. However, if you lack the necessary skills or prefer a higher level of quality control, it may be more beneficial to purchase fully finished pistons from a trusted manufacturer. Ultimately, the decision depends on your specific needs, skills, and resources.

Details:

990 distance between piston pin bosses: ring grooves: 1/8 groove bottom: 3 16 semi-finished - needs to be ground finished desired bore.

This is a new old replacement stock nors part from our huge collection of mostly classic nos parts.

75:1 compression ratio excellent new nors condition diameter: length : plus crown piston pin diameter.

It is possible this part fits other vehicles. All retainers and piston pins are included as well finishing instructions. Other information new oem original equipment manufacturer and nos new old stock parts are genuine factory.

part #: 491 price

• $119.00

specifications pistonrinro:

• for makes: Gmc
• brand: Zollner
• mpn: 491-o
• part type: Piston Engine
• country/region of manufacture: United States
• quantity sold: Set Of Six

Offer pistonrinro:

• best offer: false
• quantity: 1
• Started: October 1, 2017, 5:01 pm
• bids: 0
• Sold: 0

Ratings:

1. NICE! 09-30-17
2. Great seller,fast shipping. Thanks!!! 09-30-17
3. Good DeaL NOS 09-30-17
4. Fast shipping 09-29-17
5. Excellent service and price 09-30-17

Returns pistonrinro:

• time: 30 Days
• paid by: Buyer
• details: Refunds for item only, not inclusive of shipping costs if shipping was charged separately. Please first, for an RMA number, prior to returning your item.
• policy: returns accepted
• type: Money Back

Seller pistonrinro:

• zipcode: 89141
• city: Las Vegas, Nevada

General pistonrinro:

• condition: New
• in stock: Yes
• motors > partsaccessories > vintage cartruck parts > enginescomponents > pistons rings rodsparts engines components

Payments pistonrinro:

• PayPal

Shipping pistonrinro:

• type: Calculated
• handling: 1 days

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