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456265 High Performance Exhaust Valve GM LS6 5.7L
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MELLINGPART NUMBER: 689-456265

456265 High Performance Exhaust Valve GM LS6 5.7L

$3299
ShippingShips on 09/09/2026
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High Performance Exhaust Valve
  • GM LS6 5.7L

    Melling 456265 Features:

    Precision engineering, selection of superior grade alloy materials and advanced manufacturing processes ensure that Melling Exhaust valves meet the exacting specifications required for efficient, durable and powerful performance. Melling Exhaust valves feature high fatigue strength materials, excellent heat resistance and years of dependable performance. Melling Exhaust valve selections are available in a wide variety of designs and materials for most OEM and performance vehicle applications.

    • Coated Finish: No
    • Grade Type: Standard Replacement
    • Length: 4.935 in.
    • Lock Groove Quantity: 1
    • Locks Included: No
    • Material: Stainless Steel
    • Oversized: No
    • Oversized Amount: 0
    • Seat Angle: 45.15 DD
    • Stem Diameter: 0.314 in.
    • Valve Head Diameter: 1.535 in.
  • Part TypeExhaust Valve
    BrandMELLING
    Package Length4.935 in.
    Part CategoryPerformance Parts
    Valve Head Diameter1.535 in.
    OversizedNo
    Lock Groove Quantity1
    MaterialStainless Steel
    Part FitmentDirect Fit
    Locks IncludedNo
    Seat Angle45.15 DD
    Grade TypeStandard Replacement
    Coated FinishNo
    Stem Diameter0.314 in.
    Oversized Amount0
    Vendor Part Number456265
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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