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CSP2026

Manley 11582-1 - Valve - Intake, Valve-BBC PONT 2.400

Manley  |  SKU: BBPB-11582-1
Sale price $5099 Regular price $5191

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Manley 11582-1 - Valve - Intake, Valve-BBC PONT 2.400

Intake Valve - Severe Duty - 2.400 in Head - 0.342 in Valve Stem - 6.600 in Long Stainless - Big Block Chevy - Each

Manley Valve - Intake, Valve-BBC PONT 2.400

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: Domestic
Head Diameter: 2.400
Valve Head Diameter: 2.400
Stem Diameter: 0.3415
Valve Stem Diameter: 0.3415
O/A Length: 6.600
Valve Length: 6.600
Valve Tip Length: 0.250
Tip Length: 0.250
Margin Width: 0.050
Seat Width: 0.075
Top of Head: 5 Degree Dish
Valve Head Shape: 5 Degree Dish
Underhead Angle: 10.00
Underhead Radius: 3/8
Cylinder Head: Pontiac Pro Stock
Valve Series: Severe Duty? Series
Valve Material: Stainless Steel
Valve Type: Intake
Product Type: Engine Intake Valve
Valve Quantity: 1
Engine Valve Quantity: 1
Industry: Automotive
Engine Type: ICE
Make: Chevrolet
Engine: Big Block

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