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United Kingdom, Belfast
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Review on Proform 66878 Extruded Aluminum Roller Rocker by Bryan Harper

Revainrating 3 out of 5

Disappointing Roller Rockers for Automotive Engines

As a result of using this product, I found that the quality was lacking and the installation was difficult. While there was a slight improvement in performance, it was not worth the price point. The cons outweigh the pros in this case, and I would not recommend this product to anyone looking for reliable performance car parts and accessories.

Pros
  • Improved performance and durability due to extruded aluminum construction.
Cons
  • Pricier compared to other types of rocker arms made from alternative materials.