1. Clutch Parts On Sale
  2. sku: 13471129651917793
  3. GM 3991428

GM 3991428 Nos Clutch Disc Spline General

fits model: Lt1, 350, Corvette. year: 1971–2026.

3991428 General Motors 1971-1972 Corvette Nos Gm#3991428 Clutch Disc With Lt1 350 26 Fine Spline Disk

( Brand: Gm ), ( Part Type: Clutch Motor ), ( Items Included: Clutch Disc ), ( Transmission Type: Manual ), ( Manufacturer Warranty: No ), ( Vintage Part: Yes ), ( California Prop 65 Warning: Warning, Servicing And Maintaining A Passenger Vehicle Or Off-highway Motor Vehicle Can Expose You To Chemicals Including Engine Exhaust, Carbon Monoxide, Phthalates, And Lead, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. To Minimize Exposure, Avoid Breathing Exhaust, Do Not Idle The Engine Except As Necessary, Service Your Vehicle In A Well-ventilated Area And Wear Gloves Or Wash Your Hands Frequently When Servicing Your Vehicle. For More Information Go To Www.p65warnings.ca.gov/passenger-vehicle. ), ( Manufacturer Part Number: 3991428 ), ( Placement On Vehicle: Center ), ( Country Of Origin: United States ), ( Item: Tracy Corvette 870 )

Review GM General Motors Nos Gm#3991428 Clutch Disc Fine Spline Disk fits CORVETTE LT1 350 1971–2026

Introducing the 1971-1972 Corvette LT1 350 26 spline Clutch Disc by GM (3991428), a high-performance component designed specifically for classic Corvette enthusiasts seeking to upgrade their vehicle's clutch system. This clutch disc is an authentic GM part, ensuring a perfect fit and optimal function for your 1971-1972 Corvette with the LT1 350 engine.

This clutch disc features a robust design, engineered to handle the power and torque generated by the LT1 350 engine. The disc is constructed from heavy-duty materials, ensuring durability and longevity. The spline design, with a count of 26, ensures a secure connection between the clutch disc and the flywheel, reducing slippage and providing smooth, consistent power transmission.

The surface of the clutch disc is engineered for superior grip, enabling efficient power transfer between the engine and transmission. The disc's friction material is specifically formulated for high-performance applications, providing excellent heat resistance and durability. This ensures that your Corvette maintains optimal power and performance, even during prolonged periods of heavy usage.

The clutch disc is also designed with ease of installation in mind. It comes complete with all necessary hardware, allowing for a straightforward installation process. The disc's precision machining ensures a perfect fit, minimizing the need for additional adjustments during installation.

By upgrading your Corvette's clutch system with this authentic GM LT1 350 26 spline Clutch Disc (3991428), you'll experience improved power transmission, increased durability, and enhanced performance. This clutch disc is an essential upgrade for any Corvette enthusiast looking to maximize the potential of their classic LT1 350 engine.

Buying a 1971-1972 Corvette clutch disc with part number 3991428 and being specific about it being an LT1 350 26 spline clutch disc from GM has some potential advantages and disadvantages.

Advantages:

1. Originality: This clutch disc is an original GM part made specifically for the LT1 350 engine in the 1971-1972 Corvette. This can be an attractive option for those who prefer to use original parts in their restorations or upgrades.

2. Performance: The LT1 engine is known for its high-performance capabilities, and using an original GM clutch disc designed for this engine can ensure optimal performance and reliability.

3. Availability: GM original parts, especially for older models like the 1971-1972 Corvette, can be difficult to find. By purchasing this clutch disc directly from a trusted supplier, you can ensure its availability and authenticity.

Disadvantages:

1. Cost: Original GM parts, especially those for high-performance engines like the LT1, can be more expensive than aftermarket alternatives. This may be a significant consideration for some buyers.

2. Limited compatibility: This clutch disc is specifically designed for the LT1 350 engine in the 1971-1972 Corvette. If your Corvette has a different engine or transmission, this clutch disc may not be compatible.

3. Potential for obsolescence: As the demand for original GM parts for older models like the 1971-1972 Corvette decreases, the availability and production of these parts may also decrease. This could make it more difficult and expensive to obtain replacement parts in the future.

Conclusion:

The decision to buy a 1971-1972 Corvette clutch disc with part number 3991428 and being specific about it being an LT1 350 26 spline clutch disc from GM depends on your specific needs and priorities. If you value originality, performance, and availability, and if your Corvette has the compatible engine and transmission, then this clutch disc may be a good investment for you. However, if cost is a significant concern, or if you are not committed to using original parts, then an aftermarket alternative may be a more cost-effective option. Ultimately, it is important to carefully consider all the advantages and disadvantages before making a purchase decision.

Recommendation:

To make an informed decision, it is recommended that you research the availability, cost, and compatibility of both original GM and aftermarket clutch disc options for your specific Corvette model and engine. Consulting with knowledgeable Corvette experts or online forums can also provide valuable insights and advice. Additionally, it may be helpful to read customer reviews and seek recommendations from other Corvette owners who have used the clutch discs you are considering. By carefully weighing the pros and cons, you can make a decision that best meets your needs and budget.

Details:

This clutch plate is a single design with woven facings. Keep Your GM Car All. NOTE: The attached photo is a similar file photo, not of the exact part. Smaller items are shipped Standard USA Postal Service or USPS Priority Mail.

Next, select a topic, or choose Other. It is for heavy duty off highway use.

part #: 3991428 price

  • $349.00

specifications addedclutch:

  • for models: Lt1, 350, Corvette
  • for years: 1971-2026
  • brand: Gm
  • part type: Clutch Motor
  • items included: Clutch Disc
  • transmission type: Manual
  • manufacturer warranty: No
  • vintage part: Yes
  • california prop 65 warning: Warning, Servicing And Maintaining A Passenger Vehicle Or Off-highway Motor Vehicle Can Expose You To Chemicals Including Engine Exhaust, Carbon Monoxide, Phthalates, And Lead, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. To Minimize Exposure, Avoid Breathing Exhaust, Do Not Idle The Engine Except As Necessary, Service Your Vehicle In A Well-ventilated Area And Wear Gloves Or Wash Your Hands Frequently When Servicing Your Vehicle. For More Information Go To Www.p65warnings.ca.gov/passenger-vehicle.
  • manufacturer part number: 3991428
  • placement on vehicle: Center
  • country of origin: United States
  • item: Tracy Corvette 870

seller addedclutch:

  • city: Roseville, Michigan
  • # reviews: 21905
  • rating: 99.4%

general addedclutch:

  • Transmission Drivetrain > Clutch Parts Kits > Additional Clutch Parts
  • condition: New other see details

returns addedclutch:

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

offer addedclutch:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: March 15, 2026
  • quantity: 8

shipping addedclutch:

  • class: Standard
  • carrier: UPS
  • cost: $31.00
  • service: UPS Ground
  • type: Fixed
  • transit: 4-8 Days

payments addedclutch:

  • credit card: Mastercard
  • wallet: Paypal
  • other
for models: lt1, 350, corvette, for years: 1971-2026, part type: clutch motor, items included: clutch disc, transmission type: manual, manufacturer warranty: no, vintage part: yes, california prop 65 warning: warning, servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the state of california to cause cancer and birth defects or other reproductive harm. to minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. for more information go to www.p65warnings.ca.gov/passenger-vehicle., placement on vehicle: center, country of origin: united states, item: tracy corvette 870,
category: auto parts > transmission drivetrain > clutch parts kits > additional clutch parts, sku: 13471129651917793,

Gm 3991428 Is Similar To:

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1 offer $349.00 USD
  • New other (see details). Offer #1 priced at $349.00 + $31.00 delivery = $380.00* total. "Keep Your GM Car All GM!". This clutch plate is a single plate design with woven facings.+$31.00 shipping

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