Lifter Cuffs for Your M8 Engine
S&S Billet Lifter Cuffs: Don't Let Your Lifters Twist!
If you have a Harley-Davidson Milwaukee-Eight (M8), you already know it’s a beast of an engine. But when you’re upgrading performance, especially cams, there’s one essential upgrade many riders overlook—Lifter Cuffs, also known as Tappet Cuffs. Let’s talk straight about why you need them and why S&S Lifter Cuffs are the best choice for protecting your M8 engine.
What Are Lifter Cuffs (Tappet Cuffs)?
Lifter cuffs are precision components designed to hold your lifters (tappets) securely in place. The stock plastic guides in your M8 engine are fine for everyday casual riding, but when you start pushing for more performance—higher horsepower, bigger cams, or aggressive riding—these plastic guides simply aren’t enough to keep your Lifters aligned. S&S Tappet Cuffs solve this issue by preventing lifters from twisting or rotating under high RPM & heavy engine loads.
Why Your Engine Needs Lifter Cuffs
When your lifters rotate even slightly, it can cause major valve train instability, uneven wear, and eventual camshaft damage. Repairing this kind of damage isn’t cheap—you’re looking at thousands in potential costs.
Here’s the good news: this expensive headache is easily avoidable by replacing the stock plastic part with this far superior version. S&S Lifter Cuffs are CNC-machined from billet aluminium and hard anodized for durability, giving your engine the stability it needs for optimal performance and reliability.
Top Benefits of Upgrading To S&S Lifter Cuffs
1. Prevents Tappet Rotation Under Load
Lifter cuffs lock your lifters into proper alignment, preventing rotation, reducing friction, and ensuring consistent valve timing. This means your engine runs smoother and performs better.
2. Built to Last—Stronger than OEM
The factory guides are plastic. S&S Tappet Cuffs are made from solid, billet aluminium. This strength and durability mean they can handle extreme heat and stress, protecting your investment over time.
3. Enhanced Valve Train Stability
Stable lifters mean better valve timing accuracy. This results in smoother power delivery, improved throttle response, and overall engine performance.
4. Essential for Performance Builds
If you’re adding a performance cam or upgrading your engine, this is a non-negotiable part of your build. They provide the support needed to keep your engine safe and performing at its best.
Protect Your Modified Milwaukee-Eight
These lifter cuffs fit perfectly in 2017 and later Harley-Davidson® Milwaukee-Eight engines, including Touring, Softail, and select CVO models. Installation is straightforward for any qualified mechanic, and they’re designed as a direct-fit upgrade.
If you’re serious about performance and/or reliability, then these CNC machined billet aluminum lifter cuffs are for you. They’re ideal for:
- M8 Owners who’ve upgraded their cams
- M8 Owners planning performance upgrades
- M8 Owners who ride hard and wants maximum reliability
- M8 Owners wanting to avoid costly engine repairs
When Should You Install These?
The best time to install these is during your cam chest upgrades or any time you’re replacing cams, lifters, or oil pumps. This way, installation becomes quick, easy, and cost-effective.
Final Thoughts: Protect Your Engine Now
S&S Tappet Cuffs may not be super sexy, but they’re essential protection for your high-performance M8 build. Don’t leave your engine’s reliability to chance. Invest in quality, protect your investment, and ride with complete peace of mind.
Ready to grab your set? Click this Link: S&S Lifter Cuffs
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