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Manley 11552-8 Race Master Intake Valve 2.055" 11/32" Stem Small Block Chevy Set of 8

(1999-2004 Ferrari 360 Modena)

Manufacturer

Picture for manufacturer Manley

Part Number

11552-8
8 reviews
Sale Price

$188.69

2 left at this price

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Usually delivered within 2 days

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Product Details

The Manley 11552-8 Race Master Race Flo intake valve is engineered for high-performance Small Block Chevy engines operating at speeds up to 8,000 RPM. This set of 8 stainless steel valves features the Pro Flo design with a specialized 12-degree underhead angle and 3/8" radius to optimize airflow and combustion efficiency.

Key Specifications:

  • Head Diameter: 2.055 inches
  • Stem Diameter: 11/32 inch (0.3415 inch)
  • Overall Length: 5.140 inches (+0.200 inch longer than stock)
  • Material: NK-842 stainless steel construction
  • Weight: 117 grams per valve
  • Top of Head: 7-degree dish design

Premium Race Series Features:

  • Chrome-plated stems with 0.0002 inch thick hard chrome coating for superior wear resistance
  • Hardened valve tips prevent cracking and erosion
  • Swirl polished underhead area and fully machined combustion face
  • 0.065 inch margin and 0.080 inch seat width for durability
  • 0.290 inch tip length for precise valvetrain geometry

Manley's Race Master valves are ideal for bracket racing, drag racing, oval track, and high-performance street engines. The NK-842 stainless steel material delivers exceptional strength and durability, making these valves superior to standard EV-8 alloy alternatives. Each valve is precision machined and quality controlled to ensure consistent performance across the entire set.

Products specifications

Fits

1999-2004 Ferrari 360 Modena

AWESOME

Excellent service and communication.

I got the items exactly as described with VERY fast shipping. i highly recommend them to everyone. And I will definitely be shopping there again!

Great prices, clear information and fast shipping!

Great price. Very happy with order. Will buy from them again.

Thanks for the great price

Super fast shipping, exactly as ordered, no drama, problems or complications

Although there was a mix up with the shipping on my order customer service was helpful and expedited the solution and made it worth my trouble. I will be keeping Autoplicity in mind for any other parts I might need for my Jeep.

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