Power Driven Hardened Chromoly Valve Spring Retainers for 4BT Cummins
SKU: 71530012577

Power Driven Hardened Chromoly Valve Spring Retainers for 4BT Cummins

Sale price$97.20 Regular price$108.00
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Power Driven Hardened Chromoly Valve Spring Retainers for 4BT CumminsPower Driven Hardened Chromoly Valve Spring Retainers for 4BT Cummins Power Driven's Hardened Chromoly Valve Spring Retainers for 89 98 4BT Cummins are the best way to maximize the performance of 60 lb. valve springs. These spring retainers for 60 lb. valve springs are precision machined from chromoly steel before hardening. They feature 10 degree locks and a structurally efficient design. One of the key advantages of these retainers is their ability

Power Driven Hardened Chromoly Valve Spring Retainers for 4BT Cummins

Power Driven's Hardened Chromoly Valve Spring Retainers for 89-98 4BT Cummins are the best way to maximize the performance of 60-lb. valve springs.

These spring retainers for 60-lb. valve springs are precision machined from chromoly steel before hardening. They feature 10-degree locks and a structurally efficient design. One of the key advantages of these retainers is their ability to handle high speeds. With a capability of up to 4,200 rpm, they provide reliable and durable performance. They are remarkably lightweight, weighing just 30 grams. In fact, they are 25% lighter than the stock retainers commonly found in similar setups.

Installing these hardened chromoly spring retainers on a typical 12v head increases seat pressure slightly. Compared to the factory lock-and-retainer configuration, which results in approximately 155 lbs. of seat pressure, these retainers offer approximately 165 lbs. of seat pressure. This enhanced pressure contributes to improved valve control and overall engine efficiency.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 71530012577

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4.2 ★★★★★
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Susan K Anderson
Pawtucket, US
★★★★★ 5
Men’s mock golf shirt
Color: Lake Green, White, Black, Size: XX-Large
Fit & quality very good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
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Verified Purchase
Garfield S
Fort Morgan, US
★★★★★ 5
Nice Fit
Color: Black, White, Light Gray, Size: 3X-Large
I picked this up looking for something simple but clean, and it delivered. The fit is comfortable, the material feels solid, and it looks good without needing much effort. It’s one of those pieces you can throw on and still look put together.
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Reviewed in the United States on March 29, 2026
R
Rob75432
Battle Creek, US
★★★★★ 4
Good value, soft and comfortable
Color: Black, Army Green, Light Gray, Size: 4X-Large, Color: Black, Army Green, Light Gray, Size: 4X-Large
Initial thoughts are very positive with this 3 pack shirt set. The green is similar to an OD military green and the black and gray are standard color shades. Material is soft and sizes are true to size. The mock turtleneck isn’t too tight but may still be a little annoying to some people. I do question the amount of spandex in these shirts. Tag says 5% but these shirts are extremely stretchy and feels like a higher spandex content. It’s also a little tough to figure out which way is the front of the shirt. Visually rhe front does have a lower collar line than the back but would still be nice to have a brand tag printed in the back of the shirt for quicker identification. Overall for roughly $12 a shirt these are a good choice for everyday wear. I will update rating if these shirts fail to meet expectations after further use.
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Reviewed in the United States on April 8, 2025
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Verified Purchase
Eliot
Pawtucket, US
★★★★★ 5
👍🏻
Color: Black, Army Green, Light Gray, Size: 5X-Large
Weirdly thick material, I wasn’t a fan but it’s a good sleep shirt
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Reviewed in the United States on May 28, 2026
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Dr. DeeJaye
Grantham, US
★★★★★ 5
Just what I wanted.
Color: Black, Navy Blue, Wine Red, Size: 5X-Large
These may have just become my standard shirt to wear. Feels good whether tucked or out. Drapes well and fits well. So far, I can see it adjust to the different undershirt I may wear. Will probably order another set in other colors and a back up set of the basics because they will get worn a lot.
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Reviewed in the United States on July 17, 2025

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