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Kit provides everything you need to do your push rods and valve springs on 24V Cummins.If you are over 750hp, the cylinder pressures acting on the valve can bend your OEM pushrods before the valve opens. This can retard cam timing and reduce valve lift These pushrods are a 3 piece design that features 12mm diameter .120″ wall, which is much thicker than the OEM 3/8 or other performance shops 7/16″ Diameter.
If you are over 35 PSI (boost or drive pressure) and 3,800 RPM, we suggest going with Hamilton Cams 103lb springs with heat treat and shot peen, for better longevity in extreme applications. Hamilton Cams springs at 103 lb spring pressure and 180 lb nose pressure are better than stock which can cause valve float and reversion.
INCLUDES 3 FREE TOOLS by OHIO DIESEL PARTS! 24V Valve Spring Compressor Tool: Tapered bore holes stops valve keepers from falling through the tool and reduces the chance of dropping a valve keeper in your engine. Designed to easily change valve springs, seals or retainers on Cummins 24V 5.9L and 6.7L. CNC-machined thick heavy aluminum. Quickly compress all four springs in the cylinder in one step for easy replacement. Barring Tool: Save-time turning over the engine or turning the crank to perform manual valve lash adjustment. Used to slowly rotate the engine by hand so you can line up the timing marks. Easy-to-Use: Insert tool into the flywheel housing until it engages the ring gear, attach ½” square drive racket or breaker bar to turn. Injector Nozzle Removal Tool: Simply clamp tool in vice (DO NOT OVER-TIGHTEN). Custom fit openings stops injectors from spinning while removing the nozzle preventing damage to injectors by placing them directly in a vice. 2-in1 Tool fits both 5.9L and 6.7L Cummins.Please contact customer service to ensure correct fitment on your truck: 216 408 6455**
Shalynn S.
Reviewed in the United States on January 28, 2025
Shipping was quick!
Beans 123
Reviewed in the United States on October 16, 2023
I love it
Mason G.
Reviewed in the United States on February 28, 2022
Great quality parts, Ohio Diesel did a good job packaging to ensure it arrived undamaged, fair price, overall good package. I would advise both to buyers and to the guys at Ohio diesel, might be worthwhile to include some valve stem seals and round up the package cost to 700, then you have everything to refresh your head after the machine shop!
M. Miller
Reviewed in the United States on January 16, 2021
Full disclosure I didn't buy any of these products from Amazon. I have however purchased and installed all these products and will add a review based on that.The Hamilton extreme duty pushrods are well made and beefy. At some point Hamelton stopped sending two sized pushrods and opted for the larger 7/16ths diameter for both intake and exhaust. So if you do get two different sizes don't worry it's just older stock and will work just as well. All the heavy forces tend to be on the exhaust side due to drive pressure so bigger rod goes there. Installation isn't bad you'll just need to remove your valve covers and rockers. You MUST readjust valve lash (these are ever so slightly longer) so loosen the adjustment nuts before you put the rockers back in because they tend to be very tight.Hamelton 103lb valve springs. First off let me tell you that these are easy to install. Getting to them is a pain in the a**. You'll have to pull your injectors, fuel lines, fuel rail if applicable, intake horn, valve covers, and rockers. You will have to check valve lash if you only do the springs but you absolutely MUST readjust valve lash if you do pushrods and or head studs at the same time.The valve spring tool. There are several genaric offerings for this tool as it's fairly simple. Hamilton make one and I personally have one made by manton cams. They all work the same. You remove the injectors then take something long and thin 8in+/- and put in through the injector hole till it touches the piston. then roll the engine with barring tool till at top dead center of cylinder 1. Bolt the threaded stud down using the injector holdown bolt holes. Then you put the tool and line it up with the valve stems being as centered as you can get. You put a flat washer, drop of engine oil, bearing, drop of oil, flat washer, drop of oil, nut. Then just tighten it down paying attention that it goes down even. The retainers don't always want to let go of the valve stem right away and you can bend a valve if you don't pay attention. I like to smack the springs with a mallet before I start to loosen them up and then as I'm bringing the tool down I tap the high spots till it all comes free. Youll see what I mean when you get in there. You'll likely hear a pop on the sticky ones. After the springs are compressed all the way just remove the locks keeping them in the same order you removed them. Undo the tool. Remove spring and replace with new spring. Place old retainer (or new) on new spring. Compress again and replace locks as they were removed. Slowly remove compressor tool check to make sure locks engage. If all is sat then remove tool and repeat on next cylinder making sure that calendar is at top dead center so you don't drop a valve into the engine.The barring tool. These work simple enough. There is an access hole in front of the transmission on the passenger side. Looking at it from the front of the truck below the turbo. There are two 10mm bolts. Loosen both and it has a hook on top so just swing the cover plate out of the way. Grease the shaft of the barring tool not the teeth and insert. That's about it. LolInjector tool. I'm not really sure why there is an injector tool included but you don't want to mess with the injectors unless you have new tips to go on them. If you got new tips it will likely come with one of these tools. Basically after the injectors are out of the truck you put this plate in a vice. Insert the injectors just above the hold down and then you can use a socket to remove the injectors tips. Like I said don't mess with it unless you have new tips ready to go on.Things this kit do not come with that you'll need are grid heater gaskets and Injector seals with copper washers. Other than that your good to go. I highly recommend doing head studs at the same time otherwise you'll have to tear it all apart again later to do them. I use optiorque studs. There affordable very strong and made in the usa. Arp 2000's are also good adorable choice.
Josh
Reviewed in the United States on February 24, 2020
Item just a described. Shipped in a timely manner and seller has great communication.
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