Manley 11802-8 – Ford 429intake Valve Kit – 2.250in Head Dia. 5.244in O/A Length, 0.3415in Stem

Description

Manley 11802-8 – Ford 429intake Valve Kit – 2.250in Head Dia. 5.244in O/A Length, 0.3415in Stem

Intake Valve – Severe Duty – 2.250 in Head – 0.342 in Valve Stem – 5.244 in Long – Stainless – Big Block Chevy / Ford / Cleveland – Set of 8

Manley Valve – Intake, Valve-S/D 2.250

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.

• Proven fatigue strength for extreme performance
• Chrome stems and hard tips enhance durability
• Exotic alloys for superior tensile strength, reliability, and longevity
• Swirl polishing and machined faces improved airflow/optimized efficiency

Product Market: DomesticHead Diameter: 2.250Valve Head Diameter: 2.250Stem Diameter: 0.3415Valve Stem Diameter: 0.3415O/A Length: 5.244Valve Length: 5.244Valve Tip Length: 0.250Tip Length: 0.250Margin Width: 0.050Seat Width: 0.100Top of Head: 7 Degree DishValve Head Shape: 7 Degree DishUnderhead Angle: 12.00Underhead Radius: 3/8Valve Series: Severe Duty? SeriesValve Material: Stainless SteelValve Type: IntakeProduct Type: Engine Intake Valve KitValve Quantity: 8Engine Valve Quantity: 8Industry: AutomotiveOut of Stock Message: Call for AvailabilityEngine Type: ICEMake: FordEngine: 429