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Manley 11780-8 Performance Engine Valve

(2016-2019 Porsche Boxster)

Manufacturer

Part Number

11780-8
Sale Price

$311.48

2 left at this price

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Manley 11780-8 is a high-quality performance engine valve designed for demanding racing and high-performance street applications. Manley Performance Products manufactures precision-engineered valves using premium materials and strict quality control processes to ensure reliable performance under extreme conditions.

Key Features:

  • Manufactured to precise tolerances for optimal valve train performance
  • Designed for high-performance and racing applications
  • Engineered using premium materials for durability and reliability
  • Backed by Manley's reputation for quality performance components

Manley valves are trusted by professional engine builders and performance enthusiasts worldwide. Each valve is manufactured to exacting specifications to deliver consistent performance and long service life in high-stress engine environments.

Products specifications

Fits

2016-2019 Porsche Boxster

Approximate Weight (g)

143

Lock Groove Quantity

1-groove

Lock Groove Style

Conventional

Overall Valve Length (in)

5.244 in.

Overall Valve Length (mm)

133.198mm

Quantity

Sold as a set of 8.

Swirl Polished

Yes

Undercut Stem

Yes

Valve Head Diameter (in)

2.300 in.

Valve Head Diameter (mm)

58.420mm

Valve Head Style

7 degree dish

Valve Material

NK-844 stainless steel

Valve Seat Width (in)

0.080 in.

Valve Stem Diameter (in)

0.341 in.

Valve Stem Diameter (mm)

8.661mm

Valve Tip Length (in)

0.250 in.

Valve Tip Length (mm)

6.350mm

Excellent price and fast shipping. Product showed up as described and timely.

Thanks Autoplicity you had the best prices I could find, fast shipping, and everything I ordered was exactly what I was looking for! Great Customer Service!

first time, will be back

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

absolutely lowest price on my Griffin radiator and super fast with the shipping to boot, what more could you ask for!

Quickly received item. Exactly what I ordered and was best price out there. Will do business with them again.

Great pricing and delivered in 3 days.

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