MANLEY 42139TM-8 Engine Valve Lash Cap 807298066752

( Brand: Manley ), ( Manufacturer Part Number: 42139TM-8 ), ( Part Type: Valve Engine Cap ), ( UPC: 807298066752 )

Review MANLEY Engine Valve Lash Cap

Introducing the Manley 42139TM-8 Engine Valve Lash Cap, a high-performance component engineered for serious automotive enthusiasts and professional mechanics. This valve lash cap is designed to provide precise adjustment and optimal engine performance for high-revving, high-performance engines.

The Manley 42139TM-8 is a premium quality valve lash cap, manufactured from high-strength, heat-resistant material. Its unique design features a tapered valve stem seal that ensures a perfect seal between the valve stem and the cap, even under the most extreme operating conditions. This results in reduced oil consumption and improved engine efficiency.

The cap also includes adjustable lash adjusters that enable fine-tuning of the valve clearance, ensuring optimal engine performance and reducing the risk of valve damage due to excessive clearance. The adjusters are designed to be easily accessible, allowing for quick and convenient adjustments.

The Manley 42139TM-8 Engine Valve Lash Cap is compatible with a wide range of high-performance engines, including those found in racing applications. Its robust design and precise adjustment capabilities make it an essential component for any serious automotive enthusiast or professional mechanic.

In summary, the Manley 42139TM-8 Engine Valve Lash Cap is a high-performance component designed for optimal engine performance and durability. Its unique features, including a tapered valve stem seal and adjustable lash adjusters, make it a must-have for any high-revving, high-performance engine. Whether you're a racing enthusiast or a professional mechanic, the Manley 42139TM-8 Engine Valve Lash Cap is an investment that will pay off in improved engine performance and reduced maintenance costs.

The Manley 42139TM-8 engine valve lash cap is a replacement part designed to maintain the proper valve clearance in an engine. Here are some pros and cons of buying this part:

1. High-quality material: The Manley valve lash cap is made of beryllium copper, which is known for its durability and resistance to wear and tear.

2. Precision fit: The part is designed to provide a precise fit in the engine, ensuring accurate valve clearance and optimal engine performance.

3. Long-lasting: Due to the high-quality material and precise fit, the Manley valve lash cap can last for a long time, reducing the need for frequent replacements.

4. Easy installation: The valve lash cap is relatively easy to install, making it a convenient solution for engine maintenance.

1. Cost: The Manley valve lash cap is more expensive than some other aftermarket options.

2. Limited compatibility: The part is designed for specific engine applications, so it may not be compatible with all engines.

3. May require additional tools: Depending on the engine design, installing the valve lash cap may require additional tools, which could add to the overall cost.

In conclusion, the Manley 42139TM-8 engine valve lash cap is a high-quality, durable part that provides precise valve clearance and optimal engine performance. However, its cost and limited compatibility may be drawbacks for some consumers. Ultimately, if you're looking for a reliable and long-lasting solution for maintaining engine valve clearance, the Manley valve lash cap is a worthwhile investment.

Details:

Product Market: Domestic. Title - Web: Manley Valve Lash Cap Tensile Max Ultra High Strength Steel Wear .3110 Stem Valves 5/16. Title: Manley Valve Lash Cap - Tensile Max Ultra High Strength Steel Wear .3110 Stem Valves 5/16. Manley 42139TM-8 Engine Valve Lash Cap.

Engine Type: ICE.: Engine Valve Lash Cap.

part #: 42139tm8 prices

• $143.67-$196.85

specifications voomvalve:

• brand: Manley
• mpn: 42139tm-8
• part type: Valve Engine Cap
• upc: 807298066752

payments voomvalve:

• wallet: Google-pay
• other
• credit card: Mastercard

returns voomvalve:

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

general voomvalve:

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

offer voomvalve:

• sold: 0
• availability: In Stock
• quantity: 1
• started: February 6, 2026
• options: Ship-to-home

shipping voomvalve:

• class: Standard
• transit: 3-5 Days
• service: Standard
• type: Fixed
• cost: $0.00

seller voomvalve:

• rating: 98.3%
• city: Saint Paul, Minnesota
• # reviews: 45486

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