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  2. sku: 23663119451254663
  3. MID VALLEY HL-111697

MID VALLEY HL-111697 Motor Swap Mount Brackets Adapter Kit Plates

fits make: Chevrolet, Gmc. year: 1973–2005.

Hl-111697 Mid Valley Motor Swap Mount Brackets Adapter Plates Kit For 1973-2005 Chevrolet C10 Gmc

( Brand: Mid Valley ), ( Manufacturer Part Number: HL-111697 ), ( Part Type: Bracket Motor Mount Adapter Plate ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: For Chevrolet Engine Mount Adapter Plates ), ( Placement On Vehicle: Front ), ( Material: Steel ), ( Finish: Raw Steel ), ( Fitment Type: Direct Replacement ), ( Custom Bundle: No ), ( Mounting Hardware Included: Yes ), ( Fit 1: For Chevrolet C10 Lsx Ls1 Ls2 Lq9 1973-1987 ), ( Fit 2: Fits 1982-2004 Gmc Sonoma, Gmc S15, Chevrolet S10 Originally Equipt With A 2.8l Chevrolet Engine, If You Had A 4 Cylinder You Will Need 2.8 Frame Mounts ), ( Feature1: Adjustable )

Review MID VALLEY Motor Swap Mount Brackets Adapter Plates Kit Chevrolet Gmc fits C10 1973–2005

The **Valley HL-111697 Motor Swap Mount Bracket Adapter Kit** is a meticulously engineered solution designed to seamlessly integrate a modern or alternative engine into a classic **1973 2005 Chevrolet C10 or GMC pickup truck**, ensuring a perfect fit while maintaining structural integrity and performance. This high-quality kit is crafted to address the challenges of mounting contemporary or aftermarket engines into the original frame rails of these iconic half-ton trucks, which were not always designed with modern powerplants in mind. The adapter plates are precision-machined from heavy-duty steel, featuring reinforced mounting points and strategically placed gussets to distribute weight evenly and reduce stress on the frame. Whether you're swapping in a high-performance V8, a turbocharged inline-six, or a fuel-injected small-block for improved efficiency, this kit eliminates the need for costly frame modifications or custom fabrication, saving time and money while delivering a professional-grade result. The design accounts for variations in engine bay spacing, exhaust header clearances, and suspension geometry, ensuring compatibility with a wide range of engine configurations from stock replacements to heavily modified setups. Built to withstand the rigors of daily driving and high-performance applications, the HL-111697 kit includes all necessary hardware, including high-strength bolts, spacers, and alignment guides, to guarantee a secure and vibration-free installation. Ideal for restomods, performance builds, or simply upgrading to a more reliable or efficient engine, this adapter kit bridges the gap between classic truck architecture and modern engine technology, allowing enthusiasts to preserve the heritage of their C10 or GMC while pushing the limits of power and performance.

### Pros and Cons of buying a Valley HL-111697 Motor Swap Mount Bracket Adapter Plate Kit for 1973 2005 Chevrolet C10/GMC

#### **Pros**

1. **Compatibility with Common Engines** The kit is designed to bridge the gap between older Chevrolet small-block engines (e.g., 250 350 cubic inch) and the factory C10/GMC frame mounts, ensuring a secure and stable fit for engines commonly used in swaps. This reduces the need for custom fabrication, saving time and money.

2. **Improved Fitment and Stability** The adapter plates and brackets are engineered to align the engine properly with the frame rails, reducing vibration, sway, and potential driveline angles that could cause issues with transmission or driveshaft alignment. This is especially useful for engines with different bolt patterns or mounting points than the original.

3. **Simplifies Installation** Compared to welding custom mounts or modifying the frame, this kit provides pre-drilled and pre-aligned components that can be bolted into place, making the swap process more straightforward for those without extensive fabrication experience.

4. **Durability and Strength** Valley Manufacturing is known for producing high-quality, heavy-duty parts designed for heavy-duty applications. The kit is likely made from stamped steel or heavy-gauge material, ensuring it can handle the stresses of towing, hauling, or high-performance use.

5. **Time Efficiency** Since the kit is designed to fit a wide range of engine configurations, it can save hours of trial and error compared to custom-fabricated mounts. This is particularly valuable for DIYers or those working on a tight schedule.

6. **Compatibility with Aftermarket Components** The kit is often designed to work with popular aftermarket parts, such as performance exhaust headers, intake manifolds, or transmission housings, making it easier to integrate a full engine swap without compatibility issues.

7. **Reduced Risk of Frame Damage** Poorly aligned or homemade mounts can weaken or warp the frame over time. The Valley kit is designed to distribute engine weight evenly, minimizing stress on the frame rails and suspension components.

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#### **Cons**

1. **Limited Engine Specificity** While the kit covers a broad range of small-block Chevrolet engines, it may not fit every variation perfectly. Engines with unique bolt patterns (e.g., some LS engines or heavily modified blocks) might require additional modifications or custom parts.

2. **Potential for Misalignment** If the kit is not installed precisely, it could lead to driveline angles that cause vibration, transmission slop, or driveshaft binding. This requires careful alignment checks post-installation.

3. **Cost Relative to DIY Fabrication** For those with access to welding equipment and experience, fabricating custom mounts could be cheaper than purchasing this kit. However, the time and skill required for DIY fabrication may outweigh the cost savings for many.

4. **Weight Considerations** The kit adds extra weight to the engine bay, which could slightly affect the vehicle s center of gravity. While negligible for most applications, this may be a concern for high-performance or extreme towing setups.

5. **Compatibility with Non-Stock Transmissions** Some transmissions (e.g., heavy-duty or custom-built units) may require additional spacers or modifications to align properly with the engine mounts. The kit may not account for all transmission variations.

6. **Installation Complexity** While the kit simplifies the process, installing it still requires mechanical skill, especially when dealing with bolt patterns, alignment, and driveline connections. Improper installation can lead to long-term issues.

7. **Limited Warranty or Support** Like many aftermarket parts, the warranty on this kit may be limited, and customer support could be inconsistent. Issues arising from improper installation or compatibility problems may not be covered.

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### **Conclusion**

The Valley HL-111697 motor swap mount bracket adapter plate kit is a **highly practical and reliable solution** for swapping small-block Chevrolet engines into 1973 2005 Chevrolet C10/GMC trucks. Its primary strengths lie in its **precisely engineered fitment, durability, and time-saving installation process**, making it an excellent choice for both DIY enthusiasts and professional mechanics. The kit s ability to accommodate a wide range of engines while maintaining structural integrity is a significant advantage over custom fabrication for most users.

However, it is not a **one-size-fits-all** solution. Those with **uncommon engine configurations, heavy modifications, or limited mechanical experience** may encounter challenges that require additional workarounds. Additionally, the kit s cost and weight must be weighed against the benefits it provides.

For the **average truck owner or mechanic performing a standard small-block swap**, this kit is **highly recommended** due to its balance of quality, ease of use, and compatibility. It minimizes the risk of frame damage, improves driveline alignment, and reduces the complexity of the installation process making it a **smart investment** for anyone looking to perform a reliable engine swap.

**Final Recommendation:** Purchase the Valley HL-111697 kit if you are swapping a standard small-block Chevrolet engine (250 350 ci) into a 1973 2005 C10/GMC and want a **quick, durable, and well-supported solution**. If your engine requires significant modifications or you have access to fabrication resources, weigh the cost against potential savings. Otherwise, the kit is the **best choice** for most swaps in this vehicle lineup.

Details:

Fits 1973-1987 Chevrolet C10 LSx LS1 LS2 LQ4 LQ9. Motor Swap Mount Brackets Adapter Plates Kit for 1973-2005 Chevrolet C10 GMC: thumbnails above. 1/4 steel multi position engine mount adapter plates. Return term: 1.

This kit will not work with GTO oil pans or trailblazer SS.

part #: hl111697 prices

  • $5.00-$6.95

specifications engimou:

  • for makes: Chevrolet, Gmc
  • for years: 1973-2005
  • brand: Mid Valley
  • mpn: Hl-111697
  • part type: Bracket Motor Mount Adapter Plate
  • manufacturer warranty: 1 Year
  • oe/oem part number: For Chevrolet Engine Mount Adapter Plates
  • placement on vehicle: Front
  • material: Steel
  • finish: Raw Steel
  • fitment type: Direct Replacement
  • custom bundle: No
  • mounting hardware included: Yes
  • fit 1: For Chevrolet C10 Lsx Ls1 Ls2 Lq9 1973-1987
  • fit 2: Fits 1982-2004 Gmc Sonoma, Gmc S15, Chevrolet S10 Originally Equipt With A 2.8l Chevrolet Engine, If You Had A 4 Cylinder You Will Need 2.8 Frame Mounts
  • feature1: Adjustable

general engimou:

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

shipping engimou:

  • type: Fixed
  • service: Standard
  • transit: 3-7 Days
  • cost: $0.00
  • class: Standard

payments engimou:

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

returns engimou:

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

offer engimou:

  • started: June 3, 2026
  • quantity: 5
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

seller engimou:

  • # reviews: 0
  • rating: 0.0%
  • city: Phoenix, Arizona
for makes: chevrolet, gmc, for years: 1973-2005, part type: bracket motor mount adapter plate, manufacturer warranty: 1 year, oe/oem part number: for chevrolet engine mount adapter plates, placement on vehicle: front, finish: raw steel, fitment type: direct replacement, custom bundle: no, mounting hardware included: yes, fit 1: for chevrolet c10 lsx ls1 ls2 lq9 1973-1987, fit 2: fits 1982-2004 gmc sonoma, gmc s15, chevrolet s10 originally equipt with a 2.8l chevrolet engine, if you had a 4 cylinder you will need 2.8 frame mounts, feature1: adjustable,
category: auto parts > car truck parts accessories > engines engine parts > engine mounts, material: steel, sku: 23663119451254663,
Mid Valley HL-111697 Is Similar To:
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2 offers $5.00–$6.95 USD
  • New other (see details). Offer #1 priced at $6.95 + $9.95 shipping estimate = $16.90* total. +$9.95 shipping
  • New. Offer #2 priced at $5.00 + $8.60 shipping estimate = $13.60* total. +$8.60 shipping

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