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Your cart is empty.These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 applications are the ultimate street rocker. With a 3/8 inch stud diameter and 1.52 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other rocker arms, Magnum Roller Rockers are perfect for performance applications with less than 350 pounds. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.
Robert F.
Reviewed in the United States on May 12, 2024
Purchased these Comp Cams rocker arms at a significant discount knowing that if there was any problem Amazon Warehouse would resolve any issue had there been one quickly .....10 purchases only 2 needed return. Very Satisfied.
Josh
Reviewed in the United States on April 1, 2021
Item as described
David
Reviewed in the United States on March 3, 2019
This was a nice upgrade from the stock rockers and they look good!!
Carlos
Reviewed in the United States on April 28, 2019
Works good
Glenn Nishida
Reviewed in the United States on April 28, 2019
Excellent Price & Service
David Moskowitz
Reviewed in the United States on July 28, 2016
Motor needed new valve stem seals so I decided to also install these roller tip rockers while I had the factory stamped ones removed. Great quality, very happy, can even feel the improved acceleration.
Randy Russell
Reviewed in the United States on August 30, 2015
I purchase these everytime I rebuild a mild SBC. I LOVE these rockers and have NEVER had a problem with them.Want a nice cheap upgrade with slight performance gain? These are for you!
topher
Reviewed in the United States on October 25, 2010
Installed these rockers in a small block chevy after calling the mfr and describing my application. After about 1000 miles they chewed up the pushrod ends to the point of complete failure. I called the mfr back and they said that I should use their more expensive pushrods. In looking at internet blogs this has happened to others. On their website they say "excellent upgrade from stock" with no warning about potential pushrod problems.In retrospect I would not have tried these rockers if there was a good chance of problems. I re-installed new GM parts and have had no further problem.
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