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⚡ Upgrade your LS engine’s heartbeat with precision lifters that mean business!
Michigan Motorsports Delphi LS7 Lifter Set offers 16 OEM-quality hydraulic roller lifters plus 4 guide trays, engineered as direct replacements for GM part numbers 12499225 and 25341990. Compatible with a wide range of GM LS engines (4.8L to 6.2L), these lifters are optimized for hydraulic roller camshafts, delivering enhanced power and torque for naturally aspirated, turbocharged, or supercharged builds. Trusted by over 500 customers with a 4.6-star rating, this set ensures reliable, professional-grade valvetrain upgrades.
| ASIN | B07G8M28BG |
| Best Sellers Rank | #118,267 in Automotive ( See Top 100 in Automotive ) #14 in Automotive Replacement Engine Lifters |
| Brand | Michigan Motorsports |
| Customer Reviews | 4.6 4.6 out of 5 stars (505) |
| Date First Available | March 1, 2018 |
| Item Weight | 0.01 ounces |
| Item model number | 97400-16+97500-4 |
| Manufacturer | Michigan Motorsports |
| Manufacturer Part Number | 97400-16+97500-4 |
| Model | Delphi LS7 Lifters |
| Package Dimensions | 12.32 x 8.58 x 5.75 inches |
| Position | Top |
D**Z
Michigan motorsports ls7 lifters
They worked out great so far 2006 Silverado 4.8 Be aware they make a lot of chatter at first start up at least for me. Noise lasted about a few seconds. 2nd time it made a even louder knock/ lifter noise. I shut off my engine started it again and went silent better then ever. So far so good. I would recommend and purchase another set.
J**.
Love it
Works like it should
I**O
Los lifter
Son de buena calidad
C**G
Great lifters
Got these for a dod delete. Runs like a sowing machine you barely even feel it’s on
B**N
Eliminated the noise !!! 2006 GMC Sierra 2500
My 2006 GMC Sierra 2500 HD 6.0 has 280,000 miles on it. At startup it was a clacker!!!! It then started happening on the freeway all the time. Finally decided to fix the problem. My engine purrs like a kitten now. My sure to get new engine head bolts and new exhaust bolts. Soaked the lifters while I was opening up the engine. Michigan Motorsports was fantastic!!! They answered my email quickly and were very helpful.
C**N
Works very well with the tests I put it through
I had no problems with it. It works very well for my applications that I use it for. It is awesome for my mowing business for engine or hydraulic work
T**T
Get them, it’s worth it
I got these lifters to go with my truck Norris cam kit. High difference, and I did look at reviews before buying and it’s only been all most a month.
S**R
Failed within 1000 miles, JUNK
These lifyers made horrible noise after about 1000 miles... pulled them out just in time.... they were starting to destroy my new camshaft...... threw the old lifters back in(didn't have another choice)..... they have been quiet since. Don't waste your money, just trying to save a few buck.... you'll end up loosing more in the long run. Out the lifter cost, all the time spent.... not fun.
K**N
Excellent
Excellent
K**E
The plastic wrap was compromised and these are oil coated, so any dirt is bad
The pins that hold the roller seem to be offset from center on lots of lifters.
A**R
Likely not actual GM LS7 lfiters, but quality seems ok
Advertised as LS7 lifters but highly doubt they are GM parts. No visual concerns with quality and all these lifters are pretty much just called LS7 lifters nowadays anyway... still false advertising if they are not. They took quite a while to ship as well and it wasn't free shipping. Would love to hear Mich Motorsports reply if these are actual GM parts or not...?
Trustpilot
3 weeks ago
2 days ago