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Easter Special Feuling Race Series 521 Cam Kit - 2017-2023 Milwaukee 8 Models Top Brand [4qO0PwdN]

$53.99 $172.99 -69%

Shines in 114" and larger engines with increased compressionEasier to tune, better street performance, and higher RPM range than the 508NOT A BOLT IN CAMRequires high lift valve springsInclude camshafts, lifters and a cam installation kit that includ

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Easter Special Feuling Race Series 521 Cam Kit - 2017-2023 Milwaukee 8 Models Top Brand [4qO0PwdN]

  • Shines in 114" and larger engines with increased compression
  • Easier to tune, better street performance, and higher RPM range than the 508
  • NOT A BOLT IN CAM
  • Requires high lift valve springs
  • Include camshafts, lifters and a cam installation kit that includes the cam bearing, cam/crank hardware
  • Kit also includes gasket/O-ring kit that allows installation of Feuling Heavy-Duty HP+ .0165" wall one-piece pushrods or factory one-piece pushrods
  • Due to the unstable nature of this 4-valve engine design with one rocker arm activating two valve springs, Feuling highly recommends running one-piece pushrods over quick-install adjustable pushrods to maintain maximum cam/valve lift and reduce valvetrain harmonics and associated hydraulic lifter issues.
  • Manufacturer Part Number: 1456

  • Specs:
  • Type: Chain
  • Model: Race Series®
  • Grind: 521 Series
  • RPM Range: 2250-6250
  • Intake Open: 17°
  • Intake Close: 34°
  • Intake Lift @ .050": 0.518"
  • Intake Lift @ TDC: 0.162"
  • Intake Duration: 231°
  • Intake Lobe Centerline: 98.5°
  • Exhaust Open: 51.5°
  • Exhaust Close: 11.5°
  • Exhaust Lift @ 0.050": 0.521"
  • Exhaust Lift @ TDC: 0.162"
  • Exhaust Duration: 243°
  • Exhaust Lobe Centerline: 110°
  • Overlap: 28.5°
  • What Our Customers Say

    February 5, 2026

    Absolutely no complaints!

    A really nice product. Thanks.

    - Annie Q..

    February 5, 2026

    Absolutely no complaints!

    I am very, very happy.

    - Max O..

    February 5, 2026

    Absolutely no complaints!

    Fantastic quality, speedy delivery.

    - Dominic O..

    Write a Review

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