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11253-8 Gen II Severe Duty Exhaust Valve Blanks [Set of 8] Custom Order
Product Discontinued
MANLEYPART NUMBER: 660-11253-8

11253-8 Gen II Severe Duty Exhaust Valve Blanks [Set of 8] Custom Order

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Extreme Duty & Severe Duty Series
Gen II Severe Duty Exhaust Valve Blank
  • Requires Custom Order Form
  • 49.3mm Head
  • .3415 in. Stem
  • 5.650 in. Length
  • XH-428 Material
  • Set of 8

    Custom Valve Order Form

    Gen II Severe Duty valve blank engineered for high-performance and competition cylinder head development. Manufactured from premium XH-428 stainless alloy, this blank provides exceptional heat resistance, strength, and durability for custom finishing.

    Manley 11253-8 Features:

    • Exhaust Valve Blank
    • Maximum Head Diameter: 49.3mm / 1.940 in.
    • Stem Diameter: .3415 in.
    • Maximum Length: 143.5mm / 5.650 in.
    • Underhead Angle: 12° x 3/8 in.
    • Margin Width: .075 in.
    • Seat Width: .080 in.
    • Top of Head: 7° Dish
    • Material: XH-428 Stainless
    • Hard Tip and Hardened Grooves
  • Part TypeValve
    BrandMANLEY
    Package Height2.5
    Package Width6.75
    Package Length11.75
    Weight3.0 PG
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part Number11253-8
    Package Qty1
    Package TypeEA
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