Rocket 444

2017+ Later Big Twin Milwaukee 8  (Part #4-4024)

Fits 2017-2024 Milwaukee 8 models except 2023 CVO & 2024 FLHX, FLTRX, CVO models


  • Cruising hi-torque bolt-in cams

  • Very easy on valve train parts
  • Incredible low rpm pulling power recommended for heavier bikes with stock compression ratio
  • Best power with free-flow air cleaner and performance exhaust
  • Accepts stock pushrods and valve springs
  • Peak performance 1500 to 5500 rpm

Rocket 464

2017+ Later Big Twin Milwaukee 8  (Part #4-4025)

Fits 2017-2024 Milwaukee 8 models except 2023 CVO & 2024 FLHX, FLTRX, CVO models


  • Improved top end performance bolt-in cams

  • works great for built 107’s and adds big torque in 114 – 117 displacement engines
  • Allows engines to make big power through the midrange RPM
  • Best power with free-flow air cleaner and performance exhaust
  • Accepts stock pushrods and valve springs
  • Peak performance 1500 to 5800 rpm

Rocket 474

2017+ Later Big Twin Milwaukee 8  (Part #4-4026)

Fits 2017-2024 Milwaukee 8 models except 2023 CVO & 2024 FLHX, FLTRX, CVO models


  • Bolt-in big power cam for 114+ engines
  • Improved lobe designed specifically for the CVO engines
  • Best power with free-flow air cleaner and performance exhaust
  • Accepts stock pushrods and valve springs
  • Peak performance 1800 to 6000 rpm

Rocket 544

2017+ Later Big Twin Milwaukee 8  (Part #4-4027)

Fits 2017-2024 Milwaukee 8 models except 2023 CVO & 2024 FLHX, FLTRX, CVO models


  • Aggressive lobe profile for 117+ built engines

  • Torque comes on late and extends horsepower further for big gains
  • Intended for professional engine builders looking for big performance
  • High compression (11:1)and ported heads recommended
  • Requires high lift valve springs
  • Peak performance 2000 to 6200 rpm

Rocket 594

2017+ Later Big Twin Milwaukee 8  (Part #4-4030)

Fits 2017-2024 Milwaukee 8 models except 2023 CVO & 2024 FLHX, FLTRX, CVO models


  • Very aggressive lobe profile for 124+ built engines

  • Torque comes on late and extends horsepower through 6500 RPM
  • Intended for professional engine builders looking for big performance
  • High compression (13.0:1) and ported heads recommended
  • Requires high lift valve springs
  • Peak performance 2200 to 6600 rpm