MMT M657284 Motor Mounts Engine 67 68 69

( Brand: Mmt ), ( Manufacturer Part Number: M657284 ), ( Part Type: Motor Mount Engine ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review MMT 65 67 68 69 Chevy Motor Mounts Cyl Engine fits 250 1970–1972

The **MMT M657284 65-72 Chevy 250 Engine Motor Mounts** are a meticulously engineered set of high-performance replacement mounts designed to provide unmatched stability, durability, and precision for the iconic **250 cubic-inch small-block Chevrolet V8** found in classic muscle cars, trucks, and performance applications from the late 1960s through the early 1970s. Crafted from **heavy-duty steel** and reinforced with **high-strength rubber bushings**, these mounts are engineered to withstand the rigors of high horsepower builds, aggressive driving, and prolonged use without compromising on reliability. Unlike standard OEM mounts, which may degrade over time under heavy loads or excessive vibration, the MMT M657284 set features **upgraded construction** with **pre-loaded rubber bushings** that enhance engine isolation while maintaining a firm, secure connection to the frame. This ensures optimal power delivery, reduced engine movement, and minimized stress on the drivetrain, making them an ideal choice for both **restoration projects** and **high-performance modifications**. Whether installed in a **restomod 250ci Chevy**, a **street rod**, or a **drag racing application**, these mounts deliver the perfect balance of **stiffness and compliance**, helping to eliminate excessive flex while absorbing road noise and vibration for a smoother, more controlled ride. Built to **exact factory specifications**, they seamlessly replace the original mounts **65, 66, 67, 68, 69, 70, and 71 model-year versions** ensuring a perfect fit without the need for modification. The **durable bolt-on design** and **corrosion-resistant finish** make them a long-lasting solution, ideal for both **showroom-quality builds** and **track-ready performance engines**. Whether you're chasing **smooth idle quality**, **better throttle response**, or **enhanced durability** under heavy loads, the MMT M657284 motor mounts are a **proven upgrade** that elevates the performance and reliability of your **250ci Chevy V8** for years to come.

### Pros and Cons of Buying OEM Chevy Motor Mounts (MMT M657284, M6565, M6567, M6568, M6569, M6570, M6571, M6572) for a 250 Engine

1. **Direct Fit and Compatibility** These are genuine OEM (Original Equipment Manufacturer) parts designed specifically for Chevy small-block engines, ensuring an exact fit with no modifications required. This eliminates the risk of misalignment or improper installation that can occur with aftermarket parts.

2. **Reliability and Durability** OEM mounts are built to the same high standards as the parts that came with your vehicle. They are typically made from high-quality materials like reinforced rubber and steel, which can withstand the stress of daily driving and high-performance applications if properly maintained.

3. **Warranty Coverage** Purchasing from an authorized dealer or a reputable supplier often includes a warranty, providing peace of mind in case of premature failure. This can be especially valuable if the mounts are critical to engine stability.

4. **Engine Stability and Vibration Reduction** Properly functioning motor mounts help isolate engine vibrations, reducing wear on the engine block, transmission, and drivetrain. This can extend the lifespan of your engine and improve overall drivability.

5. **Resale Value** Keeping your vehicle stock or close to stock with OEM parts can preserve its resale value, especially if you plan to sell it in the future. Buyers often prefer vehicles with original or high-quality aftermarket parts.

6. **Ease of Installation** Since these mounts are designed for your specific engine configuration, they should fit without requiring extensive modifications or customization. This can save time and labor costs during installation.

7. **Compatibility with Stock Components** Using OEM mounts ensures that all related components, such as the engine, transmission, and frame, remain properly aligned. This is particularly important for maintaining the integrity of the drivetrain and preventing premature wear on related parts like the bellhousing or frame rails.

---

1. **Higher Cost** OEM parts are generally more expensive than aftermarket alternatives. The price can vary depending on the supplier, but they are typically 2-3 times the cost of aftermarket mounts. For budget-conscious buyers, this can be a significant drawback.

2. **Limited Availability** OEM mounts may not be as widely stocked as aftermarket parts, especially for older or discontinued models. You may need to order them from a specialized supplier or an authorized dealer, which could involve longer lead times.

3. **Potential for Counterfeit Parts** Purchasing OEM parts from unauthorized or third-party sellers can result in counterfeit or low-quality replicas. These may fail prematurely or not fit correctly, leading to additional costs and frustration. Always buy from reputable sources like Chevy dealerships, RockAuto, or other trusted online retailers.

4. **Weight and Bulkiness** OEM mounts are often heavier and bulkier than aftermarket alternatives, which may not be ideal if you are looking to reduce overall engine weight for performance tuning. Aftermarket mounts are often designed to be lighter while still providing adequate support.

5. **Less Customization** If you are modifying your engine for high-performance applications, OEM mounts may not offer the same level of adjustability or reinforcement as aftermarket options. Some aftermarket mounts are designed to handle higher horsepower or torque loads without failing.

6. **Potential for Aging or Wear** If the mounts are being replaced due to age or wear, OEM replacements may still degrade over time under heavy use or extreme conditions. Aftermarket mounts with superior materials (e.g., polyurethane or high-performance rubber) may offer better longevity in demanding applications.

7. **Installation Complexity** While OEM mounts are designed to fit, replacing them may require disassembling parts of the engine bay, such as the radiator, air intake, or exhaust components. This can be time-consuming and may require specialized tools or expertise, especially for DIYers without mechanical experience.

---

OEM Chevy motor mounts (MMT M657284, M6565, etc.) are an excellent choice if you prioritize **reliability, exact fit, warranty coverage, and long-term durability** for your 250 engine. They are ideal for stock or lightly modified vehicles where maintaining original specifications is important. However, if you are working with a **tight budget, seeking performance upgrades, or need parts quickly**, aftermarket alternatives may offer better value or performance benefits.

For most **stock or mildly modified small-block Chevy engines**, OEM mounts are the safest and most practical choice. They ensure proper engine support, reduce vibration, and align with the vehicle s original design intent. If you are unsure about the condition of your existing mounts or plan to keep the vehicle long-term, investing in OEM replacements is a sound decision.

---

- You want the most reliable and longest-lasting solution.

- You are keeping the vehicle stock or close to stock.

- You prefer warranty coverage and exact fitment.

- You are not in a hurry and can afford the higher cost.

- You are on a tight budget and can find high-quality aftermarket mounts (e.g., from brands like **Meguiar s, Moroso, or Eibach**).

- You are modifying the engine for performance and need lighter or more adjustable mounts.

- You need parts quickly and can verify the authenticity of the aftermarket option.

- For **OEM parts**, purchase from an **authorized Chevy dealer** or a trusted online retailer like **RockAuto, Summit Racing, or PartsGeek**. Avoid unknown sellers to prevent counterfeit parts.

- For **aftermarket alternatives**, research brands with good reviews (e.g., **Meguiar s, Moroso, or PU (polyurethane) mounts**) and ensure they are rated for your engine s power output.

**Final Note:** If your current mounts are failing due to age or wear, replacing them with OEM parts is a **proactive step** to prevent engine damage, transmission strain, or drivetrain issues. Always inspect mounts for cracks, leaks, or excessive wear before deciding on replacement.

Details:

THE CHEVYS BELOW WITH 250 CUBIC INCH 6 CYLINDER ENGINE. Brook wood 2 1970-1972. Bela Air 7 1965-1972. Biscayne 8 1965-1972.

specifications engimou:

• for models: 250
• for makes: Chevy
• for years: 1970-1972
• brand: Mmt
• mpn: M657284
• part type: Motor Mount Engine
• vintage part: Yes
• country of origin: United States

seller engimou:

• city: Sayville, New York
• # reviews: 87420
• rating: 99.9%

offer engimou:

• options: Ship-to-home
• sold: 0
• started: February 14, 2026
• availability: In Stock
• quantity: 3

general engimou:

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

payments engimou:

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

returns engimou:

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

shipping engimou:

• type: Calculated
• cost: $13.95
• class: Expedited
• carrier: USPS
• service: USPS Priority Mail Padded Flat Rate Envelope
• transit: 5-10 Days

Mmt M657284 Is Similar To:

• Mmt 61643435 61 62 63 64 Valiant 225 Motor Mounts (43.3% similar) 1961 1962 1963 1964 valiant 225 engine...(February 10th, 2025)