Manley Valve - Intake, Valve-FD SVO 2.250 11586-1

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Specifications:

BrandManley
Part Number11586-1
GTIN00807298050683
Cylinder HeadAluminum Aftermarket Cylinder Head
Engine429
Engine TypeIce
Engine Valve Quantity1
Head Diameter2.250 in
MakeFord
Margin Width0.065 in
O/a Length5.725 in
Product TypeEngine Intake Valve
Seat Width0.075 in
Stem Diameter0.3415 in
Tip Length0.260 in
Top Of Head5 Degree Dish
Underhead Angle10.00 degrees
Underhead Radius13/32
Valve Head Diameter2.250 in
Valve Head Shape5 Degree Dish
Valve Length5.725 in
Valve MaterialStainless Steel
Valve Quantity1
Valve SeriesSevere Duty? Series
Valve Stem Diameter0.3415 in
Valve Tip Length0.260 in
Valve TypeIntake

Specifications:

Description:

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400°F, Manley exhaust valves endured 100 million cycles, while competitors failed after just 100,000, proving a 1,000× longer fatigue life. Each valve features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces for superior airflow, efficiency, and wear resistance. Built for those who demand race-winning strength and precision, Manley Severe Duty® Valves set the industry standard for performance and endurance.

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