


COMP Cams Rocker Arms FS/FW 1.6 3/8 Ult
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
COMP Cams Rocker Arms FS/FW 1.6 3/8 UltThe Ultra Pro Magnum Roller Rocker Arms for Ford V8 289 302 351W applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3 8" stud diameter and 1. 6 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and
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Your COMP Cams Rocker Arms FS/FW 1.6 3/8 Ult 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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Reviewed in the United States on January 21, 2026
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Reviewed in the United States on December 26, 2025
★★★★★ 1
Poor quality
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So bummed . Love these books. Put up for Christmas and the binder of the book is completely torn. Didn’t see till I wrapped.
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