Another plastic lifter cuffs question
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Stellar HDF Member
Joined: Oct 2007
Posts: 2,952
Likes: 234
From: Kentucky
Another plastic lifter cuffs question
I'm on the fence as to changing the plastic lifter cuffs when I do my stage 2 upgrade. My question isn't relative to the durability or longevity of the plastic cuffs. I have heard that they are not compatible with cams of a particular lift. I am using the 22xe cam so are the plastic cuffs compatible with this cam?
Seasoned HDF Member
Joined: Jan 2008
Posts: 13,674
Likes: 11,461
From: State of Confusion
I'm on the fence as to changing the plastic lifter cuffs when I do my stage 2 upgrade. My question isn't relative to the durability or longevity of the plastic cuffs. I have heard that they are not compatible with cams of a particular lift. I am using the 22xe cam so are the plastic cuffs compatible with this cam?
Road Master
Joined: Oct 2021
Posts: 1,033
Likes: 543
From: SC
Cuffs
I'm on the fence as to changing the plastic lifter cuffs when I do my stage 2 upgrade. My question isn't relative to the durability or longevity of the plastic cuffs. I have heard that they are not compatible with cams of a particular lift. I am using the 22xe cam so are the plastic cuffs compatible with this cam?
Tourer
Joined: Jan 2023
Posts: 456
Likes: 307
From: New Zealand
I'm on the fence as to changing the plastic lifter cuffs when I do my stage 2 upgrade. My question isn't relative to the durability or longevity of the plastic cuffs. I have heard that they are not compatible with cams of a particular lift. I am using the 22xe cam so are the plastic cuffs compatible with this cam?
Grand HDF Member
Joined: Aug 2020
Posts: 4,798
Likes: 5,889
From: Knoxville
Plenty of threads that show its really just a waste of time, effort and money unless youre building some sort of drag strip running machine. The propensity for the nut to break to replace is something I wouldnt even try. But then again I am not cracking my engine open for anything. I have had sportys, EVOs, twinkie and now 114 M8, as what I feel is experience regarding output and reliability, hands down this M8 is leaps and bounds. And I had a bumped up twinkie and EVO that were something during their era. But its your machine. All that matters. Good luck with the upgrades.
Grand HDF Member
Joined: Aug 2020
Posts: 4,798
Likes: 5,889
From: Knoxville
cool but I dont see a correlation
however i did change my manifold. Its outside the engine. Plenty of extremely high performance motors that run plastic parts with no failure. As I said as it was asked, no need to but if one is wanting to, its your/their bike. I figure maybe one day, after lots of miles, I will do a build. Intake wont hurt in the interim. At 31.5k and rolling
but not opening the motor up unless its worn to point of repair.
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Stellar HDF Member
Joined: Oct 2015
Posts: 2,681
Likes: 851
From: Puyallup, wa
The Auto industry had been using plastic lifter cuffs for years on high revving engines. The GM LS motors use plastic cuffs. I have yet to hear of a Harley lifter cuff failure. S&S has made a perfect solution to a non problem.
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Club Member
Joined: Apr 2016
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From: Inland NW
Seriously though, there is no need to change them. I did it because at the time, they were $55 and I liked pretty CNC stuff, it just went in the cart with the rest of it.
I did not break any bolts removing the plastic ones, I shimmed the S&S, they work.
No, you don't need them. Cheap cool factor.
Running a 22xe with the stock plastic cuffs, no issues. I dont see how there ever would be an issue, the purpose of the cuff is to keep the litter from rotating. GM has been using plastic cuffs in every small block for the past 20 years, the only time they fail is when the litter fails, at that point youre screwed anyways.