1. Car/Truck Engine Valves Deals
  2. sku: 12714995635527793
  3. 3927142

3927142 Nos Race Valve Spring Set Dz Pont Trans Am SET/16 Z-28

fits model: 302, Camaro. year: 1967–1969.

3927142 General Motors 1967-1969 Camaro Nos Race Valve Spring Set/16 302 Z-28 Dz Pont Trans Am

( Brand: General Motors ), ( Manufacturer Part Number: 3927142 ), ( Part Type: Valve Spring Tran Motor ), ( 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. ), ( Item: Tracy Corvette 95 )

Review GENERAL MOTORS Nos Race Valve Spring Set/16 Z-28 Dz Pont Trans Am fits CAMARO 302 1967–1969

Introducing the 1967-1969 Camaro NOS Race Valve Spring Set, designed specifically for high-performance applications in Chevrolet Camaros, 1967-1969 Z/28, and Pontiac Trans Am cars using the 302 cubic inch Z-28 DZ engine and 16 valves. This set of valve springs is engineered to provide improved performance and reliability for race cars, hot rods, and other high-performance applications.

The NOS Race Valve Spring Set features oversized, heat-treated steel material, ensuring maximum strength and durability for the demands of high-RPM racing. The heavy-duty design of these springs allows for increased valve control, ensuring consistent valve action and improved combustion efficiency.

These valve springs are designed to be used with the original factory valvesets, making them a direct replacement for stock valve springs. The set includes eight intake valve springs and eight exhaust valve springs, ensuring a complete and comprehensive solution for upgrading your engine's valve train.

The NOS Race Valve Spring Set also features a closed-end design, which helps to reduce the likelihood of valve bounce and ensure consistent valve action, even under extreme racing conditions. This can lead to improved engine performance, increased power output, and improved reliability.

It's important to note that installing these high-performance valve springs may require the use of specialized tools and techniques, as well as a thorough understanding of engine assembly and disassembly procedures. It's recommended that these springs be installed by a professional mechanic or experienced racer to ensure proper installation and optimal performance.

In conclusion, the NOS Race Valve Spring Set for the 1967-1969 Camaro, Z/28, and Pontiac Trans Am is a high-performance upgrade for engines using the 302 cubic inch Z-28 DZ engine and 16 valves. These oversized, heat-treated springs offer increased strength, durability, and improved valve control, making them an essential upgrade for race cars and high-performance applications. However, it's important to note that installation should be performed by a professional mechanic or experienced racer to ensure optimal performance and reliability.

Buying a 1967-1969 Camaro NOS (New Old Stock) race valve spring set for a 16:1 compression ratio, suitable for 302 Z-28, DZ, and Pont Trans Am engines, comes with both advantages and disadvantages. Below are some key points to consider:

Advantages:

1. Authenticity: NOS parts are original and have not been previously used or re-manufactured, ensuring the highest level of authenticity.

2. Performance: These valve springs are specifically designed for racing applications, providing improved performance, durability, and reliability.

3. Consistency: When purchasing NOS parts, you can be assured that all components are from the same era and manufactured to the same standards, ensuring consistency across your engine build.

Disadvantages:

1. Cost: NOS parts can be more expensive than new aftermarket components or re-manufactured OEM parts due to their rarity and age.

2. Availability: Due to their limited availability, it may take longer to find and obtain the desired NOS parts, potentially delaying your engine build project.

3. Compatibility: Ensuring the compatibility of NOS parts with other components in your engine build is crucial, and it may require additional research to confirm that the valve springs will work correctly with your specific engine configuration.

Conclusion:

Considering the advantages and disadvantages, purchasing a NOS race valve spring set for a 1967-1969 Camaro, suitable for 302 Z-28, DZ, and Pont Trans Am engines, can offer improved performance, authenticity, and consistency. However, the cost, availability, and compatibility challenges may make it a less ideal choice for some enthusiasts. Ultimately, the decision to buy a NOS race valve spring set depends on your budget, project timeline, and preference for authenticity versus performance gains.

Recommendation:

If you are committed to using NOS parts in your engine build project and have determined that these valve springs are compatible with your engine configuration, then pursuing this option can provide the desired authenticity, performance, and consistency. However, be prepared for the potential challenges in terms of cost, availability, and compatibility, and plan accordingly. If cost and availability are major concerns, consider alternative options such as new aftermarket or re-manufactured OEM parts.

Details:

These springs should not be used on new camshafts. These approximately 1.273 inch diameter springs that are a little over 2 tall as they sit, GM Part Number 3927142, GM Group number 0.303, used on 1967 1968 and 1969 High Performance Racing Camaro. They were also used on Racing Pontiac Trans Am 302 engines. Use with retainer P/N 14003974 and seal kit 10132715, NOT included.

This is a special performance valve spring for the solid lifter racing camshaft P/N 3927140. The camshaft should be broken in with lighter springs and once it is in, the can changed. Next, select a topic, or choose Other. These are the famous BURNT ORANGE racing springs used in Trans Am Racing etc.

Smaller items are shipped Standard USA Postal Service or USPS Priority Mail.

part #: 3927142 prices

  • $45.00-$275.00

specifications voomvalve:

  • for models: 302, Camaro
  • for years: 1967-1969
  • brand: General Motors
  • mpn: 3927142
  • part type: Valve Spring Tran Motor
  • 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.
  • item: Tracy Corvette 95

payments voomvalve:

  • credit card: Discover
  • wallet: Paypal
  • other

shipping voomvalve:

  • type: Fixed
  • cost: $31.00
  • transit: 3-8 Days
  • service: UPS Ground
  • carrier: UPS
  • class: Standard

seller voomvalve:

  • rating: 99.4%
  • # reviews: 21918
  • city: Roseville, Michigan

general voomvalve:

  • Engines Engine Parts > Valvetrain Components > Valves
  • condition: New other see details

returns voomvalve:

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

offer voomvalve:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • started: March 17, 2026
  • best offers: True
for models: 302, camaro, for years: 1967-1969, part type: valve spring tran motor, 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., item: tracy corvette 95,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 12714995635527793,

General Motors 3927142 Is Similar To:

voomvalve logo
5 offers $45.00–$275.00 USD
  • Offer #1: $45.00 price + $6.75 shipping estimate = $51.75* total. Gr#.+$6.75 shipping
  • Offer #2: $275.00 price + $9.35 shipping estimate = $284.35* total. THESE SPRINGS ARE IN GREAT SHAPE AND IS THAT FINISHING TOUCH FOR ANY RESTORATION.+$9.35 shipping
  • Offer #3: $225.00 price + $13.85 shipping estimate = $238.85* total. All 12 springs are still in their original boxes and have never been used or installed. The part number on each box is.+$13.85 shipping
  • Offer #4: $45.00 price + $0.00 shipping estimate = $45.00* total.FREE SHIPPING
  • Offer #5: $42.99 price + $5.95 shipping estimate = $48.94* total. New and genuine GM.+$5.95 shipping

Copyright © voomvalve.com