GM 3883864 Nos Cylinder Valves Heads Assembled 140

( Brand: Gm ), ( Manufacturer Part Number: 3883864 ), ( Part Type: Valve Cylinder Head )

Review GM Nos Cylinder 140 Pair Valves Heads Assembled fits CORVAIR 1966-69

The 3883864 nos GM cylinder 140 Corvair valve heads, assembled between 1966 and 1969, are a vital component for any classic Corvair engine enthusiast. These valve heads, manufactured by General Motors, are meticulously crafted to provide optimal performance and durability.

The 140 Corvair valve heads feature a unique design that includes 140cc combustion chambers, engineered to maximize air-fuel mixture for efficient combustion and improved engine power output. Each valve head is precision-machined with oversized intake and exhaust valves, enhancing air and exhaust flow for better engine breathing and providing a more potent combustion cycle.

The valve guides within these heads are made from high-quality materials, ensuring a long-lasting and reliable fit for the valve stems. The valve seats are carefully machined and chamfered to provide a perfect seal, reducing the likelihood of leaks and promoting a smoother operation of the engine's intake and exhaust valves.

These Corvair valve heads are assembled with top-notch components, including stainless steel valves and springs. The springs are designed to maintain proper valve clearance throughout the engine's operating temperature range, ensuring consistent performance and longevity.

Moreover, these 3883864 nos GM 140 Corvair valve heads are compatible with various Corvair engine models, making them a versatile choice for enthusiasts looking to upgrade or restore their classic Corvair engines.

In conclusion, the 3883864 nos GM cylinder 140 Corvair valve heads, assembled between 1966 and 1969, are a high-quality and reliable option for Corvair engine enthusiasts. Their unique design and sturdy construction guarantee improved engine performance, better fuel efficiency, and unparalleled durability.

1. Authenticity: These are original parts manufactured for Chevrolet Corvair models between 1966 and 1969. This ensures that they are compatible with your vehicle and will function correctly.

2. Quality: Generally, original parts are known for their durability and reliability. These valves heads are likely to last longer than aftermarket alternatives.

3. Availability: Since these are original parts, you can easily find replacements if any additional parts are required in the future.

4. Price: Although these parts may be more expensive than aftermarket alternatives, the long-term reliability and compatibility make them a cost-effective option in the long run.

1. Limited availability: These parts are only suitable for specific Corvair models between 1966 and 1969. If you own a different model or year, you will need to find alternative parts.

2. Higher cost: Original parts are generally more expensive than aftermarket alternatives. This might be a concern for those on a tight budget.

3. Limited customization: Since these are original parts, they may not offer as much customization as aftermarket alternatives. If you are looking to modify your engine, aftermarket parts might be a better option.

Buying 3883864 nos gm cylinder 140 corvair valves heads assembled 1966-69 is a good choice if you own a 1966-69 Corvair and are looking for reliable and durable parts. The originality and quality of these parts make them a cost-effective option in the long run. However, if you own a different model or year, or if you are looking for parts to modify your engine, aftermarket alternatives may be more suitable.

If you own a 1966-69 Corvair and are looking for reliable and durable parts, consider purchasing 3883864 nos gm cylinder 140 corvair valves heads assembled 1966-69. However, if you are unsure about the specific requirements for your vehicle, consult with a mechanic or parts specialist to ensure you are making the best choice for your needs.

Details:

Heads were power washed, assembled and then wrapped and are ready to install. Intake ports have been blended to seat and exhaust ports have mild porting at guide boss and blended to seat and it is something I do to all the heads I build. You are buying a pair of assembled nos Gm cylinder heads for the Corvair with 4 carb 140 hp engine.

One head has cracked fin on top and still attached at one end and small section broken on bottom as seen in last two photos. These are the heaver castings and have the 3/8 bolt holes for shrouds. Other new parts installed are new engine tech 880 valve springs, new shims as needed, and 6 new Teflon intake valve stem seals. Seats have a 3 angle grind and then lapped to valve.

Cooling fin openings have been de flashed. Springs height have been set at 95 lbs and is good for all stock to mild cams. Heads have 6 nos Gm intake valves and 6 nos Gm exhaust valves.

part #: 3883864 prices

• $34.95-$39.95

specifications cylinderheapar:

• for models: Corvair
• for years: 1966-69
• brand: Gm
• mpn: 3883864
• part type: Valve Cylinder Head

Seller cylinderheapar:

• city: Bossier City, Louisiana
• zipcode: 71112

Returns cylinderheapar:

• policy: no returns

Payments cylinderheapar:

• PayPal
• MOCC

Ratings:

1. >. . >. .AWESOME SELLER. >. . > 11-19-15
2. Good. Would buy again! 11-17-15
3. Nice condition. Great piece to complement my engine compartment. Thx 11-13-15
4. Received item as described, very well packed 11-15-15
5. Nice item, fast safe shipping, highly recommended seller 11-18-15

Shipping cylinderheapar:

• cost: $48.0
• type: Flat
• handling: 2 days

General cylinderheapar:

• in stock: Yes
• condition: New other see details
• Motors > Parts & Accessories > Vintage Car & Truck Parts > Engines & Components > Cylinder Heads & Parts

Offer cylinderheapar:

• # bids: 0
• quantity: 1
• Started: November 21, 2015, 3:09 am
• best offer: true
• # Sold: 0

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