Product Description
Red Shift Cams RS532 Bolt-In Camshaft - Generation II Milwaukee Eight 121ci
High-performance camshaft specifically developed for 2024-up Generation II Milwaukee-Eight 121ci engines with higher compression and larger displacement. Designed by Zipper's engineering to complement the RS528 cam but optimized for 121ci Non-VVT engines. Best bolt-in cam for the strongest overall balance of torque and horsepower in the spirit of Red Shift early-torque designs. Provides instant acceleration from 2,000 RPM while pulling strong to 6,000 RPM. Designed specifically around Gen II cylinder head and induction system. Proprietary Red Shift Cams ramp design delivers quiet operation and long valve train life. Thoroughly tested with factory Touring header pipe with CAT and high-flow mufflers as well as racing applications with competition-use-only exhaust systems. Chain drive only. Not for use with VVT (Variable Valve Timing) equipped engines. Use with stock length OE or adjustable pushrods. Cam-only purchases should always upgrade lifters. Optional dual piston cam chain tensioner and sprocket kits available (Part 413-801).
Fitment
- 2024-Up Harley-Davidson CVO ST (121ci)
- 2024-Up Generation II Milwaukee-Eight 121ci Non-VVT engines
- High compression, larger displacement M8 engines
- Chain drive only
- NOT for use with VVT (Variable Valve Timing) equipped engines
- Compatible with stock length OE or adjustable pushrods
Features & Benefits
- 121ci Engine Optimization - Engineered specifically for 121ci displacement with higher compression
- Gen II M8 Specific Design - Developed for new generation cylinder head and induction system
- Maximum Torque and Horsepower Balance - Best bolt-in cam for strongest overall power delivery
- Instant Acceleration - Builds power from 2,000 RPM through 6,000 RPM
- Red Shift Early-Torque Philosophy - Delivers power where you ride it most
- Proprietary Ramp Design - Quiet operation and long valve train life
- Exhaust System Compatibility - Tested with factory CAT headers, high-flow mufflers, and competition racing exhausts
- Bolt-In Installation - No internal engine modifications required
- Chain Drive Only - For models with chain-driven cam systems
- Works with Stock or Adjustable Pushrods - Flexible pushrod options
Why Upgrade?
The new 121ci Generation II Milwaukee-Eight engines in the CVO ST need a cam engineered specifically for their higher compression and larger displacement. That's exactly what the Red Shift RS532 delivers. Zipper's engineering designed this grind to complement the RS528 (which is optimized for standard-displacement Gen II engines) but with higher output and more aggressive tuning for the bigger 121ci powerplants. This is the best bolt-in cam for the strongest overall balance of torque and horsepower in the 121ci class. In the spirit of Red Shift's early-torque philosophy, it provides instant acceleration from 2,000 RPM and pulls strong all the way to 6,000. The proprietary Red Shift ramp design keeps valve train noise low while promoting long component life. You get power delivered where you ride it—right there in the midrange where you need it most. The RS532 has been thoroughly tested with both factory Touring header pipes with CAT converters and high-flow mufflers, as well as with racing applications using competition-use-only exhaust systems. Chain drive only. Not for VVT equipped engines. Compatible with stock length OE or adjustable pushrods. This is THE bolt-in cam for the new CVO ST 121-inch Generation II Milwaukee-Eight engine. Note: Cam-only purchases should always include a lifter upgrade. Optional dual piston cam chain tensioner and sprocket kits available for a stronger, more durable valve train (Part 413-801). Not legal for sale or use in California or on any EPA pollution-controlled motor vehicles.
Note: Red Shift Cams RS532 Bolt-In Camshaft. Part 413-823. Fits 2024-up Harley-Davidson CVO ST (121ci) and Generation II Milwaukee-Eight 121ci Non-VVT engines with higher compression and larger displacement. Designed to complement RS528 cam with higher output for 121ci engines. Provides instant acceleration from 2,000 RPM, pulls strong to 6,000 RPM. Proprietary Red Shift Cams ramp design for quiet operation and long valve train life. Designed specifically for Gen II cylinder head and induction system. In spirit of Red Shift early-torque designs—best bolt-in cam for strongest overall torque and horsepower balance in 121ci class. Chain drive only. NOT for use with VVT (Variable Valve Timing) equipped engines. Compatible with stock length OE or adjustable pushrods. Thoroughly tested with factory Touring header pipes with CAT and high-flow mufflers, plus competition racing exhausts. Optional dual piston cam chain tensioner and sprocket kit available (Part 413-801). Cam-only purchases should always upgrade lifters. Not legal for sale or use in California on any pollution-controlled motor vehicle. Not legal for sale or use on any EPA pollution-controlled motor vehicle.
| MPN | 413-823 |