


COMP Cams Rocker Arms GM LS1 1.8 3/8 Ultra
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
COMP Cams Rocker Arms GM LS1 1.8 3/8 UltraNew LS Specific Ultra Pro Magnum Rocker Arms From COMP Cams Increase Ratio And Stiffness Over Stock Rockers, While Also Increasing Lift without The Need To Swap Cams. As LS engines continue to grow in popularity, COMP Cams has expanded its line of Rocker arms to build components specific to LS Applications. For LS1 LS2 LS6 4. 8L, 5. 3L, and Pre '07 6. 0L Truck Engines Cathedral Port Head LS ApplicationsFull Set Of 16 Stud Mount Rockers Includes Poly
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Your COMP Cams Rocker Arms GM LS1 1.8 3/8 Ultra orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
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Size: 300A Fuse Holder
Very good quality
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Reviewed in the United States on January 8, 2026
★★★★★ 5
It’s good
Size: 300A Fuse Holder
It does it’s job.
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Reviewed in the United States on January 18, 2026
★★★★★ 4
Cover too loose.
Size: 300A Fuse Holder
Nice looking, decent quality, versatile for different gauges. My only complaint with this holder is the cover doesn’t stay on very well, bought 3, and all 3 pop off easily, you will need to zip tie on.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Works as it should.
Size: 300A Fuse Holder
I’ve had several of these in my build for over a year now. Zero issues.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
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Reviewed in the United States on November 5, 2025