Broken Roller Rocker Arm
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Uploader Comments (TylerART)
All Comments (46)
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DON'T BUY JESSEL...I'm runnigh 541cid Pontiac stroker in my 72 goat. My geometry is pertect and I have had 12 Jessel intake rockers snap at idle. They broke the exact same place as yours did. I've been going rounds with the Jessel Engineers but had no luck. Jessel is JUNK!!!!!!!!!!
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@dustingray1325 harland sharp makes good rockers.
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iv had a set of proform on my 289 mustang for 15 years, streat strip car with a 100,000 miles on them,so far so good, yea there cheep,thats why i bought them in 1995, they were only 149 in jegs.my cam is 475 lift with 100 pounds of spring pressure, to much cam an spring pressure will break cheap rockers, also if your push rod is to long or to short you will break rockers. i guess iv been lucky,
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I just finish rebuilding my chevy 350 using Proform Chromoly roller tip rockers. Eng ran great for the first 30-45 secs then started missing and back firing. Pulled the valve covers and found #5 intake rocker had came apart (3 pieces). Further inspection found there was a hair line crack in it. Not taking the chace I think im going to go with comp cam rockers, read alot of bad reviews on Proform rockers after mine failed.
native097 7 months ago
@native097
They work great on stock springs and that's about it.
TylerART 7 months ago
just a question does any one know if harland sharp is good
dustingray1325 8 months ago
@dustingray1325 I would go with comp cams
TylerART 8 months ago
Shouldnt buy junk..... Proform sucks
joshuadale26 9 months ago
@joshuadale26 Yes they are.
TylerART 9 months ago