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Description
Manton Tool Steel Roller Rocker Arm Assembly 01-23 GM DuramaxAre you ready for the strongest and smoothest operating roller rocker arms for your Duramax? Manton offers up this complete kit that will surpass your expectations and allow you to properly build your engine for extreme power and reliability. With more racers hitting the tracks every weekend and power levels continuing to rise, Manton felt it was necessary for an aggressively designed roller rockerarm system. Changes have been made in several areas to
Are you ready for the strongest and smoothest operating roller rocker arms for your Duramax? Manton offers up this complete kit that will surpass your expectations and allow you to properly build your engine for extreme power and reliability.With more racers hitting the tracks every weekend and power levels continuing to rise, Manton felt it was necessary for an aggressively designed roller rockerarm system. Changes have been made in several areas to improve overall performance of the valvetrain and help increase service life.
With minimization of deflection being the main concern, they incorporated one of their proprietary tool steels into the rockerarm bodies. Further, they use a multi-stage heat treatment process to core harden the bodies. Then, the bodies are nickel plated to prevent any contamination. To aid in lashing the valves a simpler process, they have broached the adjusting screws to accept an allen wrench, instead of the slot for a flat head screwdriver. Manton's Top Fuel proven pin and roller combination on the valve side are integrated, which reduces side thrust on the valve by removing the scrubber from the rockerarm. Going away from the shoe style rockerarm required a conversion of the geometry theory, allowing them to keep the factory rockerarm ratios and utilize the existing camshaft.
During the development stage of this rockerarm, it was determined that the aluminum head could use a girdle to help strengthen the head against deflection caused by cylinder pressure. Thus, Manton incorporated a heat treated 0.250 wall chromoly rockerarm shaft, to provide the needed support. While aiding the cylinder head, it also features full time oiling grooves. This groove prevents the rockerarm from shutting the oil pressure off to the pushrod as it starts to open the valve, like with an OEM style shaft. As with all heavy wall shafts from Manton, they've used a threaded shaft plug on each end, to prevent any worn or poorly fitting press plugs from compromising the seal.
Furthermore, Manton includes higher grade ARP twelve point bolts with washers for a secure fit. To match these bolts, you'll also get 12 point ARP poly-lock jam nuts to keep everything secure. Overall, you'll gain a massive upgrade in dependability to the powertrain as a whole.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Love it.
Color: Rainy-Rainbow
This glitter is gorgeous on.
Really easy to apply, sprays evenly and a good amount at once. It wasn’t a nightmare to deal with either clinging to things it fell/rubbed onto which I was pleasantly surprised by. It cleans up very well.
A little goes a long way too, so it should last a while. It stayed on my body fairly well throughout the night too.
I have really sensitive skin so I was hesitant to even get glitter at all. I tried body glitter 2 years ago but it was a liquid spray kind and I broke out in an intense rash all over.
I also have a chronic hive condition so my skin flares up from products due to sensitivity.
I did not have ANY issues with this glitter.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Absolutely Stunning Glitter with Thoughtful Packaging! | Rainy Rainbow
Color: Rainy-Rainbow, Color: Rainy-Rainbow
This glitter is breathtaking! The sparkles catch the light very beautifully — it has a mesmerizing, holographic shine that’s perfect for adding extra pizzazz to any project.
When it arrived, I was pleasantly surprised at how well it was packaged. The box was securely sealed, and everything inside was perfectly intact—minor spills, no mess.
A heads up on opening the entire thing: the round container’s Lid is screwed on VERY LOOSELY. Be mindful when you’re unboxing. Screw it back on very tightly.
The spray nozzle on this bottle gives such a beautiful, antique perfume vibe—it really elevates the whole experience. It sprays the glitter perfectly, so it’s easy to get a flawless application every time. (Don’t forget to keep the little nozzle cover to protect it!) Honestly, I wouldn’t apply it any other way than with the bottle—it just makes everything so much smoother. 🤷🏻♀️
If you happen to go overboard, just grab the closest shirt and wipe off any excess. No point in wasting any of this stuff! :)
Oh, & those two little gloss bottles are actually glue, which is perfect for keeping everything right where you need it to be.
Here’s a little pro tip: I used the same tape that kept the box sealed to reseal the lid of the round glitter container until I’m ready to use it.
Worked like a charm! 😎 It’s a small detail, but it will keep everything neat, and prevent unwanted glitter explosions in the future.
If you’re a sparkle lover, you’ll adore this glitter—it’s as pretty in person as it looks online!
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Reviewed in the United States on October 16, 2024
★★★★★ 5
They were cute and stayed on for days!
Color: Set B:3 gold+3 silver
These face sparkle tattoos are great! If you apply them right, they can last several days.
My first try, I got the entire tattoo wet all at once. It slid around and it ended up crooked. And because I couldn’t apply pressure to the entire area, some of the spots came off fairly easy.
My second attempt was much better. I started on my nose area and then did one cheek at a time, holding it firmly in place the entire time. It was straight and everything stayed on until days later whenI used makeup remover to take it off.
I really love these. I wore them for the holidays and felt fun and festive. I WILL buy them again!
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Reviewed in the United States on January 17, 2026
★★★★★ 5
Worth it!
Color: Set D:6 holographic multicolor
Great product. Great price. Used for myself and a friend for her first 5k race. I also let me 3yr old daughter wear some for her 1 mile fun run. They lasted throughout the day/race. My recommendation if you buy. Cut the single piece into 3 separate. Nose, one for each side and apply in 3 separate sections. It takes a touch longer BUT it is easier to apply. Especially if your face is smaller and it’s easier to handle.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Rave Freckles!
Color: Set D:6 holographic multicolor
I got these for a Rave. They were very cute once I figured out the best way to put them on. I had to go through 2 before I figured it out. They stayed on well (as well as any temp tattoo can). If you have trouble getting them off, just get some facial oil cleanser! They were cute and I got lots of compliments.
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Reviewed in the United States on May 1, 2026