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  2. sku: 10446961260064751
  3. BFO DLZ59X

BFO DLZ59X Valve Springs Kit Steel Retainers Locks Block 327/400/Z28

fits model: 327, 400. make: Chevy.

Dlz59x Bfo Valve Springs Kit With Steel Retainers Locks For Chevy Small Block 327/400/z28

( Brand: Bfo ), ( Manufacturer Part Number: DLZ59X ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Fitment Type: Direct Replacement ), ( Items Included: Valve Spring, Valve Spring Retainer, Valve Lock ), ( Lock Specifications: Lock Groove Type, Square ), ( Lock Material: Hardened Steel ), ( Stem Diameter: 11/32 In ), ( Lock Style: 7 Degree ), ( Manufacturer Warranty: 1 Year ), ( Material: Chrome Silicon ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: Valve Spring, Valve Spring Retainer, Valve Locks ), ( Package Included: 16 Valve Spring, 16 Valve Spring Retainer, 32 Valve Lock ), ( Retainer Specifications: Material ), ( Outside Diameter: 1.259 In. ), ( Step 1 Diameter: .860 In ), ( Step 2 Diameter: .645 In ), ( Type: Valve Spring Set ), ( Valve Spring Specifications: Type ), ( Inside Diameter: .876 In. ), ( Seat Load: 110-lbs. At 1.700 In ), ( Open Load: 285-lbs. At 1.210 In ), ( Coil Bind: 1.160 In ), ( Free Length: 2.040 In ), ( Max Lift: .550 )

Review BFO Valve Springs Kit Steel Retainers Locks For Chevy Small Block 327/400/z28 fits 327 400

Introducing the BFO DLZ59X Valve Spring Kit, specifically designed for Chevy small block engines with a displacement of 327 cubic inches or 400 cubic inches, and commonly found in Z28 models. This complete kit includes every essential component needed for a successful valve spring replacement project.

The heart of this kit is the high-performance valve springs, crafted from steel for unmatched durability and reliability. The springs are precisely engineered to deliver superior valve control and reduce the risk of valve bounce, even under the most demanding driving conditions. The design ensures that the valves remain seated correctly in their guides, leading to improved engine performance and longevity.

Each spring comes equipped with steel retainers, which provide an additional layer of strength and stability to the valve train. These retainers securely hold the springs in place and prevent them from coming into contact with the valve guides, reducing wear and the likelihood of engine damage.

The kit also includes locking nuts, ensuring a secure fit of the valve springs and retainers to the rocker arms. The locking nuts help maintain consistent valve clearance throughout the engine's operation, minimizing the risk of valve contact with the pistons and promoting smoother engine performance.

This BFO DLZ59X Valve Spring Kit is an essential upgrade for performance-minded Chevy enthusiasts seeking to maximize the potential of their engines. With its robust design, reliable materials, and comprehensive inclusion of all necessary components, this kit offers a cost-effective solution for enhancing engine power, efficiency, and longevity.

In summary, the BFO DLZ59X Valve Spring Kit is a top-tier solution for upgrading the valve train on Chevy small block engines with a displacement of 327 or 400 cubic inches. Featuring high-strength steel valve springs, durable steel retainers, and locking nuts, this complete kit ensures superior valve control, improved engine performance, and extended engine life.

Buying BFO DLZ59X valve springs kit with steel retainers, locks for a Chevy block 327/400/Z28 engine comes with several pros and cons that every performance enthusiast or mechanic should consider before making a purchase.

Pros:

1. High-Performance: The BFO DLZ59X valve springs are designed to handle high RPMs and increased engine power, making them a popular choice for high-performance applications.

2. Steel Retainers: The steel retainers offer better durability and strength compared to the stock retainers, reducing the risk of valve train failure.

3. Locks: The valve spring locks help prevent valve train noise and improve engine performance by maintaining valve clearance under high RPMs and boost conditions.

4. Improved Engine Response: Upgrading to the BFO DLZ59X valve springs kit can lead to improved engine response, better throttle sensitivity, and increased power output.

Cons:

1. Cost: The BFO DLZ59X valve springs kit is a more expensive option compared to the stock springs and retainers.

2. Installation Complexity: Installing the valve springs kit can be a complex and time-consuming process, requiring specialized tools and expertise.

3. Potential Clearance Issues: Installing the new valve springs and locks may require adjusting the valve clearance to ensure proper engine operation.

4. Engine Tuning: Upgrading to high-performance valve springs may require additional engine tuning, such as adjusting the ignition timing or fuel mapping, to fully realize the benefits of the upgrade.

Conclusion:

The decision to buy the BFO DLZ59X valve springs kit for a Chevy block 327/400/Z28 engine depends on several factors, including the desired level of performance, budget, and installation expertise. While the upgrade offers several advantages, such as improved durability, performance, and engine response, it also comes with higher costs, installation complexity, and potential clearance issues. Ultimately, if you're looking for a high-performance upgrade and have the necessary expertise and budget, the BFO DLZ59X valve springs kit is a worthwhile investment. However, if you're on a tight budget or unsure of your installation capabilities, it may be best to consider other options.

Details:

At 1.700 in, Open Load: 285-lbs. For complete set of valve springs for Chevy Small Block GEN I and II not vortex engines. The valve spring reduce wear and tear on the train components, which can lead to reduced maintenance costs a longer engine lifespan. >> Enhanced Engine Life, Help extend the life of engine.

Feature, >> Optimized Valve Control, Ensure precise control over the valves movement, maintaining correct opening and closing sequence which is essential for efficient engine performance. Note, >> Please verify the parts compatibility with your vehicles make, model, and year before purchase to avoid any fitment issues. They contribute to improved engine power and torque, making them a critical component for performance-oriented applications. Fast Shipping.

Valve Spring Specifications, Type: Single W/ Damper Valve, Material: Chrome Silicon, Outside Diameter: 1.259 in. Inside Diameter: .876 in. They prevent valve float at high PMS and ensure reliable operation. Guaranteed Fitment, Always the correct part.

>> Reliability and Performance, designed to withstand the stresses of high-performance engines, ensuring consistent reliable operation even under demanding conditions. Seat Load: 110-lbs.

specifications voomvalve:

  • for models: 327, 400
  • for makes: Chevy
  • brand: Bfo
  • mpn: Dlz59x
  • california prop 65 warning: California Prop 65 Warning
  • fitment type: Direct Replacement
  • items included: Valve Spring, Valve Spring Retainer, Valve Lock
  • lock specifications: Lock Groove Type, Square
  • lock material: Hardened Steel
  • stem diameter: 11/32 In
  • lock style: 7 Degree
  • manufacturer warranty: 1 Year
  • material: Chrome Silicon
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • oe/oem part number: Valve Spring, Valve Spring Retainer, Valve Locks
  • package included: 16 Valve Spring, 16 Valve Spring Retainer, 32 Valve Lock
  • retainer specifications: Material
  • outside diameter: 1.259 In.
  • step 1 diameter: .860 In
  • step 2 diameter: .645 In
  • type: Valve Spring Set
  • valve spring specifications: Type
  • inside diameter: .876 In.
  • seat load: 110-lbs. At 1.700 In
  • open load: 285-lbs. At 1.210 In
  • coil bind: 1.160 In
  • free length: 2.040 In
  • max lift: .550

general voomvalve:

  • condition: New
  • Engines Engine Parts > Valvetrain Components > Valves

payments voomvalve:

  • wallet: Paypal
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  • credit card: Discover

returns voomvalve:

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

shipping voomvalve:

  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 3-7 Days
  • carrier: FedEx
  • cost: $0.00
  • type: Fixed

seller voomvalve:

  • # reviews: 13536
  • city: Rowland height, California
  • rating: 99.3%

offer voomvalve:

  • started: November 12, 2025
  • best offers: True
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 4
for models: 327, 400, for makes: chevy, california prop 65 warning: california prop 65 warning, fitment type: direct replacement, items included: valve spring, valve spring retainer, valve lock, lock specifications: lock groove type, square, lock material: hardened steel, stem diameter: 11/32 in, lock style: 7 degree, manufacturer warranty: 1 year, note: no instruction included, notice: this is aftermarket replcement part, oe/oem part number: valve spring, valve spring retainer, valve locks, package included: 16 valve spring, 16 valve spring retainer, 32 valve lock, retainer specifications: material, outside diameter: 1.259 in., step 1 diameter: .860 in, step 2 diameter: .645 in, type: valve spring set, valve spring specifications: type, inside diameter: .876 in., seat load: 110-lbs. at 1.700 in, open load: 285-lbs. at 1.210 in, coil bind: 1.160 in, free length: 2.040 in, max lift: .550,
category: auto parts > engines engine parts > valvetrain components > valves, material: chrome silicon, sku: 10446961260064751,

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