Manley Valve - Intake, Valve-HEMI S/D 2.250 +100
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

Information:

Manley Valve - Intake, Valve-HEMI S/D 2.250 +.100.
Attributes
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Category Hierarchy Valves>Severe Duty, Valves>Stainless Steel>Severe Duty
Country of Origin (Primary) CN
EBAY Category ID 33621
Emission Code Off Road
Engine 426 Hemi, 426 Hemi
Engine - Web 426 Hemi, Hemi
Engine Detail - Web 426 Hemi, 426 Hemi
Engine Family Hemi, Hemi
Engine Type ICE, ICE
Engine Valve Quantity 8, 8
Hazardous Material Code N
Head Diameter 2.250, 2.250
Industry Automotive, Automotive
Life Cycle Status Code Available to Order
Make Chrysler, Dodge, Chrysler
Make - Web Chrysler, Dodge, Chrysler
Margin Width 0.060, 0.060
O/A Length 5.524, 5.524
Out of Stock Message Call for Availability, Call for Availability
Product Market Domestic, Domestic
Product Type Engine Intake Valve Kit, Engine Intake Valve Kit
SDR Required Flag N
Seat Width 0.095, 0.095
Stem Diameter 0.3085, 0.3085
Tip Length 0.200, 0.200
Title - Web Manley Severe Duty? Series Chrysler 426 Hemi Intake Valve Kit - 2.250 in. Head Dia., 5.524 in. O/A Length, 0.3085 in. Stem, Manley Severe Duty? Series Chrysler 426 Hemi Intake Valve Kit - 2.250 in. Head Dia., 5.524 in. O/A Length, 0.3085 in. Stem
Top of Head 20 Degree Dish, 20 Degree Dish
Type Intake
Underhead Angle 24.00, 24.00
Underhead Radius 3/4, 3/4
Valve Groove Type Bead Loc?, Bead Loc?
Valve Head Diameter 2.250, 2.250
Valve Head Shape 20 Degree Dish, 20 Degree Dish
Valve Length 5.524, 5.524
Valve Material Stainless Steel, Stainless Steel
Valve Quantity 8, 8
Valve Series Severe Duty? Series, Severe Duty? Series
Valve Stem Diameter 0.3085, 0.3085
Valve Tip Length 0.200, 0.200
Valve Type Intake, Intake
Warranty Time 30
GTIN 00807298041445