M-300 Valve Springs

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M-300 Valve Spring Set
  • Single Spring
  • 1.265'' OD
  • 0.880'' ID
  • 130 @ 1.700'' Seat Pressure
  • 395 @ 1.150'' Open Pressure
  • 482 lbs/in Spring Rate
  • .610'' Max Valve Lift
  • 1.050'' Coil Bind
  • 16/pkg
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    $154.99
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    $177.99
    $128.19
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    M-300 Valve Spring Set
  • Double Spring (LS Engine)
  • 1.300'' OD (.955'' ID)
  • 0.685'' ID
  • 155 @ 1.780'' Seat Pressure
  • 380/400 @ 1.180/1.130'' Open Pressure
  • 375 lbs/in Spring Rate
  • .660'' Max Valve Lift
  • 1.070'' Coil Bind
  • 16/pkg
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    $177.99
    $128.19
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    $289.99
    $222.93
    SAVE $67.06
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    K-775 Valve Spring Drop-In Kit
    Includes:
  • M-300 Valve Springs
  • Steel Retainers (Standard Height)
  • 7° Valve Locks
  • Valve Seals
  • Spring Locators
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    $289.99
    $222.93
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    $429.99
    $330.00
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    K-775 Valve Spring Drop-In Kit
    Includes:
  • M-300 Valve Springs
  • Titanium Retainers (Standard Height)
  • 7° Valve Locks
  • Valve Seals
  • Spring Locators
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    $429.99
    $330.00
    SAVE $99.99
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    $181.99
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    M-300 Valve Spring Set
  • Double Spring with Damper
  • 1.550'' OD (1.136'' Outer ID)
  • 0.721'' ID
  • 230 @ 1.900'' Seat Pressure
  • 555 @ 1.250'' Open Pressure
  • 500 lbs/in Spring Rate
  • .640'' Max Valve Lift
  • 1.125'' Coil Bind
  • 16/pkg
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    $181.99
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    M-400 Valve Springs

    $366.99
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    M-400 Valve Spring Set
  • Double Spring with Damper
  • 1.550'' OD (1.130'' Outer ID)
  • 0.722'' ID
  • 245 @ 2.000'' Seat Pressure
  • 690 @ 1.300'' Open Pressure
  • 636 lbs/in Spring Rate
  • .750'' Max Valve Lift
  • 1.150'' Coil Bind
  • 16/pkg
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    $366.99
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    $309.99
    $289.67
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    M-400 Valve Spring Set
  • Double Spring with Damper
  • 1.625'' OD (1.170'' Outer ID)
  • 0.756'' ID
  • 240 @ 1.900'' Seat Pressure
  • 739 @ 1.200'' Open Pressure
  • 713 lbs/in Spring Rate
  • .750'' Max Valve Lift
  • 1.090'' Coil Bind
  • 16/pkg
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    $309.99
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    $30.99
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    M-400 Valve Spring
  • Double Spring with Damper
  • 1.625'' OD (1.170'' Outer ID)
  • 0.756'' ID
  • 240 @ 1.900'' Seat Pressure
  • 739 @ 1.200'' Open Pressure
  • 713 lbs/in Spring Rate
  • .750'' Max Valve Lift
  • 1.090'' Coil Bind
  • 1/pkg
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    $30.99
    $18.61
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    $366.99
    $289.67
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    M-400 Valve Spring Set
  • Double Spring with Damper
  • 1.625'' OD (1.170'' Outer ID)
  • 0.756'' ID
  • 265 @ 2.000'' Seat Pressure
  • 825 @ 1.200'' Open Pressure
  • 700 lbs/in Spring Rate
  • .850'' Max Valve Lift
  • 1.090'' Coil Bind
  • 16/pkg
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    $366.99
    $289.67
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    $29.99
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    M-400 Valve Spring
  • Double Spring with Damper
  • 1.625'' OD (1.170'' Outer ID)
  • 0.756'' ID
  • 265 @ 2.000'' Seat Pressure
  • 825 @ 1.200'' Open Pressure
  • 700 lbs/in Spring Rate
  • .850'' Max Valve Lift
  • 1.090'' Coil Bind
  • 1/pkg
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    $29.99
    $18.61
    SAVE $11.38
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