Who makes Jegs 20825 lifters?
#1
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For whatever reason, the price of Chevrolet Performance lifters (ie LS7 lifters, Part Number 12499225) has jumped up by about $100. But Jegs has these lifters for about the same price that LS7 lifters used to go for. Jegs does not list a manufacturer, but does say they are US made? Are these by chance GM parts? And if not, are they any good?
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I have used Melling Ls7 Lifters without issue after 8k miles with a Lunati 231-237 Cam. I would recommend for up to 7k rpm even though I shifted at 6700 with rev limiter set to 7k.
Just removed due to going with a bigger cam/higher rpm build and going to run Johnson's.
Just a thought and another option.
Just removed due to going with a bigger cam/higher rpm build and going to run Johnson's.
Just a thought and another option.
#3
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With a set of LS7 lifters (12499225) going for $260.22 at Summit Racing, $199 for a set of Morel 5315’s at Tick Performance is looking like a bargain.
Last edited by StorminMatt; 01-07-2021 at 02:09 PM.
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The only problem with that is for everyone like you who has had good luck, there are probably quite a few who haven't been so lucky, and their $10,000-$15,000 engine was brought down by a set of $100 lifters. 16 lifters costing $100 would make each lifter only $6.25!!! A pretty complicated piece of hydraulic (or solid) equipment for a mighty small amount of $$. That's retail!! Wholesale is probably $3 something each, and the manufacturer has to make a profit, so your trusting your $12,000+ engine to a $1.50-$2.00 part. What amount was left for the neelde bearings, the roller, heat treatment, R&D, if any, etc., etc. I'm glad you've had good luck. But I'd never trust an high performance engine with those kind of parts. Maybe not even a low performance engine. To each his own. But to me, using a $100 set of lifters in an expensive engine is like playing Russian roulette; You hope like Hell you get the luck of the draw.....
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I was told that Delphi lifters and GM Performance LS7 lifters are in essence the same part.... Delphi makes all of them in their factory.... and then they sell them to GM Performance who in turn marks them up.
I've run both style lifters and never had any issues luckily. At one point Delphi lifters were $70 shipped for a set. I'm sure when hundreds of millions are made they probably cost $1 each or somewhere close to that...
I've run both style lifters and never had any issues luckily. At one point Delphi lifters were $70 shipped for a set. I'm sure when hundreds of millions are made they probably cost $1 each or somewhere close to that...
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G Atsma (01-24-2021)
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I think when you consider how many factory LS7 lifters are made, some horror stories are inevitable due to the sheer weight of numbers compared to the numbers of aftermarket lifters made.
I would go so far to say that the LS7 failure rate is LOWER than any aftermarket lifter when total production numbers are considered.
I would go so far to say that the LS7 failure rate is LOWER than any aftermarket lifter when total production numbers are considered.
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I think when you consider how many factory LS7 lifters are made, some horror stories are inevitable due to the sheer weight of numbers compared to the numbers of aftermarket lifters made.
I would go so far to say that the LS7 failure rate is LOWER than any aftermarket lifter when total production numbers are considered.
I would go so far to say that the LS7 failure rate is LOWER than any aftermarket lifter when total production numbers are considered.
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cam profile spring rates are my concerns with the ls7 lifters.
also most aftermarket lifters are 3x as difficult or more to setup than a lifter where you can be in a preload range of plus or minus .080 vs a hydraulic aftermarket where its .030 or less. which could lead to aftermarket lifter failures.....just saying
also most aftermarket lifters are 3x as difficult or more to setup than a lifter where you can be in a preload range of plus or minus .080 vs a hydraulic aftermarket where its .030 or less. which could lead to aftermarket lifter failures.....just saying
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cam profile spring rates are my concerns with the ls7 lifters.
also most aftermarket lifters are 3x as difficult or more to setup than a lifter where you can be in a preload range of plus or minus .080 vs a hydraulic aftermarket where its .030 or less. which could lead to aftermarket lifter failures.....just saying
also most aftermarket lifters are 3x as difficult or more to setup than a lifter where you can be in a preload range of plus or minus .080 vs a hydraulic aftermarket where its .030 or less. which could lead to aftermarket lifter failures.....just saying
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G Atsma (01-24-2021)
#20
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What ddnspider and Floorman said. Obviously if there is a situation that is outside the safe operating envelope of the LS7, then you go aftermarket.
But as said, the LS7 will be plenty for 99% of LS street applications.
But as said, the LS7 will be plenty for 99% of LS street applications.