ATI 916097 Crank Pulley Hub Sump

( Brand: Ati ), ( Manufacturer Part Number: 916097 ), ( Part Type: Crank Hub Sump )

Review ATI Asa Crank Pulley Hub Dry Sump fits LS1

The **ATI 916097 LS1 Crank Pulley Hub and Sump** is a meticulously engineered, high-performance replacement component designed specifically for Chevrolet s iconic LS1 engine platform, ensuring seamless integration and optimal functionality for both restoration and high-output applications. Crafted from precision-machined 4140 steel, this robust assembly combines a durable crank pulley hub with an integrated sump, delivering superior strength and reliability under demanding conditions. The crank pulley hub features a smooth, balanced surface with a precisely drilled and tapped center bore, accommodating the LS1 crankshaft with a secure, interference-fit connection that minimizes vibration and wear over time. The integrated sump, designed to replicate the original factory configuration, provides a clean, oil-tight seal when paired with the corresponding oil pan gasket, preventing leaks and maintaining proper lubrication flow to critical engine components. This assembly is particularly well-suited for applications requiring a direct-drive or belt-driven accessory setup, as it includes a standard 1-inch diameter pulley bore, compatible with a wide range of aftermarket accessories, timing belts, and water pumps. Whether used in a classic LS1-powered vehicle like the 1997-2005 Corvette, Camaro, or Impala, or in a high-performance build where durability and precision are paramount, this component ensures long-lasting performance and compatibility with minimal modifications. Built to meet or exceed OEM specifications, the ATI 916097 is a trusted choice for enthusiasts and mechanics seeking a reliable, drop-in replacement that enhances both the aesthetic and functional integrity of their LS1 engine.

### **Pros and Cons of buying a ATI 916097 LS1 Crank Pulley Hub Sump**

1. **OEM Replacement Part** This is a direct replacement for the stock LS1 crank pulley hub sump, ensuring a perfect fit and compatibility with GM LS1 engines.

2. **High-Quality Material** Made from durable cast iron, it is designed to withstand the stresses of engine operation, reducing the risk of premature wear or failure.

3. **Improved Reliability** Many aftermarket alternatives may not match the precision of an OEM part, making this a more dependable choice for long-term use.

4. **Easy Installation** Designed to fit standard LS1 engines without requiring extensive modifications, making it a straightforward upgrade or replacement.

5. **Supports Performance Upgrades** If you plan to modify your engine (e.g., forced induction, high RPM applications), a quality crank pulley hub sump helps maintain oil flow and prevent oil starvation.

6. **Widely Available** As an OEM part, it is easy to find through reputable suppliers, dealerships, or online marketplaces.

7. **Prevents Oil Leaks** A well-fitted sump helps contain oil better, reducing the risk of leaks that could damage other components.

1. **Cost** Being an OEM part, it may be more expensive than aftermarket alternatives, though the price difference is often justified by quality.

2. **Limited Customization** Unlike some aftermarket options, this part does not offer performance-enhancing modifications (e.g., reinforced designs for extreme power).

3. **Potential for Counterfeit Parts** Purchasing from untrusted sellers could result in a fake or low-quality replica, so sourcing from reputable dealers is crucial.

4. **Weight** Cast iron parts can be heavier than aluminum alternatives, though this is rarely an issue for most applications.

5. **May Require Additional Maintenance** If the original sump was worn or damaged, simply replacing it may not fully resolve underlying issues (e.g., oil leaks from gaskets or seals).

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The **ATI 916097 LS1 Crank Pulley Hub Sump** is a reliable, high-quality OEM replacement that ensures proper fit, durability, and compatibility with LS1 engines. While it may cost more than aftermarket options, its precision engineering and long-term reliability make it a strong choice for both stock and mildly modified engines. If you prioritize trustworthiness and ease of installation, this is an excellent selection.

However, if you are running extreme power levels or seeking weight reduction, an aftermarket alternative (such as a forged or reinforced version) might be worth considering though always ensure it meets or exceeds OEM specifications.

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- You need a direct OEM replacement for reliability.

- You are working on a stock or mildly modified LS1 engine.

- You want to avoid potential issues with aftermarket parts that may not fit as well.

- You are running high horsepower (300 HP) and need a reinforced or lighter option.

- You prefer aftermarket brands with additional performance features (e.g., better oil flow, reduced weight).

- You are on a tight budget and can verify that an aftermarket part meets OEM standards.

- Purchase from **authorized GM dealers, reputable online marketplaces (eBay, RockAuto, Summit Racing), or trusted specialty parts suppliers** to avoid counterfeit products. Always check seller ratings and return policies.

Details:

SHIPPING IS FREE in the continental US. LS1 for ASA Crank Pulley Hub ATI 916097 Dry Sump: Manufacturer: Part # Brand new condition and never installed. Items valued over $275 are shipped with adult signature required.

part #: 916097 prices

• $122.00-$140.00

specifications cranshafengin:

• for models: Ls1
• brand: Ati
• mpn: 916097
• part type: Crank Hub Sump

shipping cranshafengin:

• transit: 3-7 Days
• carrier: USPS
• class: Standard
• cost: $0.00
• type: Fixed
• service: USPS First Class

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

returns cranshafengin:

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

payments cranshafengin:

• credit card: Diners-club
• other
• wallet: Apple-pay

seller cranshafengin:

• # reviews: 7262
• city: Mount Laurel, New Jersey
• rAting: 100.0%

offer cranshafengin:

• quantity: 2
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: April 29, 2026
• best offers: True

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