Seller notes

1) Fits Big Block Chevy 396 427 454 rocker arms 1.7 ratio 7/16" stud. 2) Elevate your engine's potential with our top-tier roller rocker arms, meticulously crafted for unparalleled durability and performance. Extruded from robust stainless steel, these rockers are engineered to endure the toughest conditions while delivering a smooth, efficient operation. 3) Our roller rocker arms boast an impressive 1.7 rocker arm ratio, optimizing valve lift for enhanced power and efficiency. The 7/16" stud si...

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