GM CHEVROLET 3856301 Lh Rh Exhaust Manifolds M20-M21-M22-J56 L78 3856302 1/5

( Brand: Gm Chevrolet ), ( Mounting Style: Bolt-on ), ( Color: Gray ), ( Manufacturer Part Number: 3856301 ), ( Material: Cast Iron ), ( Vintage Part: Yes ), ( Placement On Vehicle: Left, Right ), ( Fuel Type: Gasoline ), ( Type: Exhaust Manifold ), ( Substrate Material: Iron ), ( Ipn: M20 M21 M22 J56 ), ( Oe/oem Part Number: 301 302 ), ( Features: Oem ), ( Country Of Origin: United States )

Review GM CHEVROLET L78 Lh Rh Exhaust Manifolds 1/5 fits CORVETTE 396 425 1965–2029

Introducing the GM 3856301 and 3856302 1965 Corvette 396 425 L78 LH Rh Exhaust Manifolds, designed specifically for the classic 1965 Chevrolet Corvette with a 396 cubic inch L78 engine. These exhaust manifolds are a must-have for Corvette enthusiasts seeking authenticity and performance.

These manifolds are meticulously crafted to meet original equipment specifications. Their right-hand design is suitable for Corvettes with right-hand drive configurations, ensuring a perfect fit. The L78 LH Rh Exhaust Manifolds are engineered to accommodate the unique exhaust flow requirements of the high-performance L78 engine.

Each manifold features a robust cast iron construction for exceptional durability and heat resistance. The exhaust ports are strategically positioned to optimize exhaust flow and minimize backpressure. The manifolds are also equipped with factory-style studs and gaskets for easy installation.

The GM 3856301 and 3856302 Exhaust Manifolds for the 1965 Corvette L78 engine are more than just replacement parts. They are an investment in the longevity and authenticity of your classic Corvette. By using these original equipment manifolds, you can ensure your Corvette maintains its original exhaust system, enhancing its value and preserving its historical significance.

These manifolds offer more than just a nostalgic appeal. They contribute to the performance of your Corvette by providing an efficient exhaust flow. This results in improved engine performance and a more enjoyable driving experience.

In summary, the GM 3856301 and 3856302 1965 Corvette 396 425 L78 LH Rh Exhaust Manifolds are essential components for any authentic 1965 Corvette L78 engine restoration or maintenance project. Their robust construction, optimized exhaust flow, and faithful reproduction of original equipment make them an indispensable addition to your Corvette.

The GM Chevrolet 1965 Corvette 396 425 L78 LH/RH Exhaust Manifolds (Part Numbers: 3856301 for LH and 3856302 for RH) are aftermarket exhaust manifolds designed for classic 1965 Corvette models with the L78 396 cubic inch engine. Here are some pros and cons to consider before making a purchase:

1. Authentic Fit: These exhaust manifolds are designed to fit perfectly with the L78 396 cubic inch engine in 1965 Corvettes.

2. High Performance: The L78 engine is known for its high-performance capabilities, and these manifolds are designed to optimize exhaust flow for better engine performance.

3. Replacement Part: These manifolds are a direct replacement for the original parts, making them a convenient option for those looking to restore their classic Corvettes.

4. Durability: Aftermarket exhaust manifolds are often made with more robust materials than original parts, ensuring they last longer and withstand the rigors of high-performance driving.

1. Cost: Aftermarket exhaust manifolds can be more expensive than their OEM counterparts.

2. Installation: Installing aftermarket exhaust manifolds can be a more complex process than installing OEM parts, as they may require additional modifications or adjustments to fit properly.

3. Sound: Aftermarket exhaust manifolds can produce a louder exhaust note than OEM parts, which may be a pro or a con depending on personal preference.

The GM Chevrolet 1965 Corvette 396 425 L78 LH/RH Exhaust Manifolds offer several advantages for those looking to optimize the performance of their classic Corvette with the L78 engine. While they come with a higher cost and potentially more complex installation process, the benefits of improved fit, durability, and performance make them a worthwhile investment for enthusiasts and restorers.

If you're looking to upgrade the exhaust system on your 1965 Corvette with the L78 engine, these aftermarket exhaust manifolds are a solid choice for those seeking better performance and durability. Be sure to consider the additional installation costs and potential modifications required, as well as your personal preference for exhaust noise, before making a purchase.

part # 3856301 prices

• $799.00-$2999.99

specifications maniheader:

• for models: 396, 425, Corvette
• for years: 1965-2029
• brand: Gm Chevrolet
• mounting style: Bolt-on
• color: Gray
• manufacturer part number: 3856301
• material: Cast Iron
• vintage part: Yes
• placement on vehicle: Left, Right
• fuel type: Gasoline
• type: Exhaust Manifold
• substrate material: Iron
• interchange part number: M20 M21 M22 J56
• oe/oem part number: 301 302
• features: Oem
• country of origin: United States

seller maniheader:

• # reviews: 1836
• rating: 100.0%

returns maniheader:

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

shipping maniheader:

• service: FedEx Ground / FedEx Home Delivery
• cost: $129.95
• carrier: FedEx
• transit: 4-8 Days
• type: Fixed
• class: Standard

general maniheader:

• Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
• condition: Used

payments maniheader:

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

offer maniheader:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: June 21, 2026

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