Rocket Performance Garage 554 Chain Drive Cam - Harley Twin Cam 1999-2006
About Rocket Performance Garage Llc
Rocket Performance Garage builds V-twin performance and custom parts, working in the modern bagger and Softail space.
The Rocket Performance Garage 554 Chain Drive Cam is engineered to deliver a strong, broad powerband for 1999-2006 Harley Twin Cam engines. This cam is designed to provide excellent mid-range passing power, making it a versatile upgrade for riders seeking improved acceleration and overall rideability. It works with stock valve springs, simplifying the installation process for many setups.
Why riders pick this
- Solid power from 1,500–5,800 rpm
- Bolt-in compatibility with stock valve springs
- Fits 88–107 CI Twin Cam engines
- Boosts mid-range passing power
- Recommended with free-flow air cleaner
Uncork more usable power from your 1999-2006 Harley Twin Cam engine with the Rocket Performance Garage 554 Chain Drive Cam. This cam is engineered for a broad powerband, kicking in strong from 1,500 to 5,800 rpm, perfect for effortless cruising and confident passing. It's designed as a bolt-in replacement that works seamlessly with stock valve springs and compression ratios up to 10:1, making it an accessible and effective performance upgrade for many riders.
Enhanced Street Performance
- Optimized for peak power from 1,500–5,800 rpm
- Works with stock valve springs for easy installation
- Compatible with 88–107 cubic inch displacement Twin Cam engines
- Performs best with a free-flow air cleaner and performance exhaust
- Focuses on strong mid-range passing power
Upgrade Your Ride, Keep it Simple
The 554 Chain Drive Cam is an excellent choice for riders who want more power without diving into a full engine rebuild. Its design allows it to work with your existing stock valve springs and moderate compression, simplifying the installation process. While not strictly required, pairing this cam with a free-flowing air cleaner and a performance exhaust system will help unlock its full potential, providing a more responsive and powerful ride across the RPM range. A dyno tune is always recommended after a cam swap to optimize performance.
Specifications
- Brand: Rocket Performance Garage LLC
- Manufacturer Part #: 4-4008
- Length: 5.95 in
- Width: 9 in
- Height: 2.3 in
- Weight: 2.67 lbs
Common questions
Do I need to replace my valve springs with this cam?
No, this Rocket Performance Garage 554 cam is designed to use stock Harley valve springs, so spring replacement is not required.
What compression ratio does this cam work with?
This cam is compatible with stock compression ratios or up to 10:1, offering flexibility across that range.
What intake and exhaust setup do you recommend for this cam?
For the best power and performance, we recommend pairing this cam with a free-flow air cleaner and a performance exhaust system.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Rocket Performance Garage Llc |
| TYPE | Engine |
| SKU | 276-02011 |
| WEIGHT | 2.67 lb |
