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K-Motion Premium Valve Springs


K Motion
K-Motion Premium Valve Springs

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The Overwhelming Choice of Racing Winners!

Made from the very best Silicon or H-11 tool steel wire and heat treated and/or stress relieved to the correct Rockwell hardness per application. Every spring is visually checked, then radius ground and depointed for longer spring life. All springs are individually pressure checked and boxed with no more than 5 pounds variation per set.



Double H-11 Valve Springs with Damper
K Motion K-1000 - K-Motion Premium Valve Springs
571-K-1000
1.625'' Dia. Double H-11 Valve Springs with Damper,
  • Seat Load: 240lbs @ 1.900''
  • Open Load: 740lbs @ 1.200''
  • Coil Bind: 1.090''
  • Max Lift: .750''
    Set of 16
  • $271.99
    K Motion K-1000-1 - K-Motion Premium Valve Springs
    571-K-1000-1
    1.625'' Dia. Double H-11 Valve Springs with Damper,
  • Seat Load: 240lbs @ 1.900''
  • Open Load: 740lbs @ 1.200''
  • Coil Bind: 1.090''
  • Max Lift: .750''
    Each
  • $29.99
    K Motion K-1000H - K-Motion Premium Valve Springs
    571-K-1000H
    1.625'' Dia. Double H-11 Valve Springs with Damper,
  • Seat Load: 265lbs @ 2.000''
  • Open Load: 825lbs @ 1.200''
  • Coil Bind: 1.090''
  • Max Lift: .850''
    Set of 16
  • $271.99
    K Motion K-1000H-1 - K-Motion Premium Valve Springs
    571-K-1000H-1
    1.625'' Dia. Double H-11 Valve Springs with Damper,
  • Seat Load: 265lbs @ 2.000''
  • Open Load: 825lbs @ 1.200''
  • Coil Bind: 1.090''
  • Max Lift: .850''
    Each
  • $29.99
    K Motion K-900 - K-Motion Premium Valve Springs
    571-K-900
    1.550'' Dia. Double H-11 Valve Springs with Damper,
  • Seat Load: 240lbs @ 1.850''
  • Open Load: 645lbs @ 1.150''
  • Coil Bind: 1.090''
  • Max Lift: .700''
    Set of 16
  • $271.99
    K Motion K-900-1 - K-Motion Premium Valve Springs
    571-K-900-1
    1.550'' Dia. Double H-11 Valve Springs with Damper,
  • Seat Load: 240lbs @ 1.850''
  • Open Load: 645lbs @ 1.150''
  • Coil Bind: 1.090''
  • Max Lift: .700''
    Each
  • $29.99
    K Motion K-950 - K-Motion Premium Valve Springs
    571-K-950
    1.550'' Dia. Double H-11 Valve Springs with Damper,
  • Seat Load: 245lbs @ 2.000''
  • Open Load: 690lbs @ 1.300''
  • Coil Bind: 1.150''
  • Max Lift: .750''
    Set of 16
  • $271.99
    K Motion K-950-1 - K-Motion Premium Valve Springs
    571-K-950-1
    1.550'' Dia. Double H-11 Valve Springs with Damper,
  • Seat Load: 245lbs @ 2.000''
  • Open Load: 690lbs @ 1.300''
  • Coil Bind: 1.150''
  • Max Lift: .750''
    Each
  • $29.99
    Double M-3000 Valve Springs with Damper
    K Motion K-975 - K-Motion Premium Valve Springs
    571-K-975
    1.550'' Dia. Double M-3000 Valve Spring with Damper,
  • Seat Load: 245lbs @ 2.000''
  • Seat Load: 600lbs @ 1.300''
  • Coil Bind: 1.200''
  • Max Lift: .700''
    Set of 16

    More info on K Motion K-975
  • $413.99
    K Motion K-975H - K-Motion Premium Valve Springs
    571-K-975H
    1.550'' Dia. Double M-3000 Valve Springs,
  • Seat Load: 275lbs @ 2.000''
  • Open Load: 620lbs @ 1.300''
  • Coil Bind: 1.200''
  • Max Lift: .750''
    Set of 16

    More info on K Motion K-975H
  • $409.99
    Double Silicon Valve Springs with Damper
    K Motion K-1100 - K-Motion Premium Valve Springs
    571-K-1100
    1.550'' Dia. Double Silicon Valve Springs with Damper,
  • Seat Load: 230lbs @ 1.900''
  • Open Load: 555lbs @ 1.250''
  • Coil Bind: 1.150''
  • Max Lift: .640''
    Set of 16
  • $132.99
    K Motion K-800 - K-Motion Premium Valve Springs
    571-K-800
    1.460'' Dia. Silicon Double Valve Spring with Damper,
  • Seat Load: 165lbs @ 1.850''
  • Open Load: 495lbs @ 1.150''
  • Coil Bind: 1.085''
  • Max Lift: .700''
    Set of 16
  • $95.99
    Single H-11 Valve Springs
    K Motion K-750 - K-Motion Premium Valve Springs
    571-K-750
    1.265'' Dia. Single H-11 Valve Springs,
  • Seat Load: 130lbs @ 1.700''
  • Open Load: 395lbs @ 1.150''
  • Coil Bind: 1.050''
  • Max Lift: .610''
    Set of 16
  • $132.99
    Single Silicon Valve Springs
    K Motion K-700 - K-Motion Premium Valve Springs
    571-K-700
    1.265'' Dia. Single Silicon Valve Springs,
  • Seat Load: 120lbs @ 1.700''
  • Open Load: 375lbs @ 1.150''
  • Coil Bind: 1.050''
  • Max Lift: .500''
    Set of 16
  • $49.99
    K Motion K-700-1 - K-Motion Premium Valve Springs
    571-K-700-1
    1.265'' Dia. Single Silicon Valve Spring,
  • Seat Load: 120lbs @ 1.700''
  • Open Load: 375lbs @ 1.150''
  • Coil Bind: 1.050''
  • Max Lift: .500''
    Each
  • $7.99

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