Upgrade your Big Block Chevy 454 valvetrain with the Speedmaster DNA® Aluminum Roller Rocker Arms Set (Part# 1-261-005). Featuring a 1.7 rocker ratio and 7/16" stud fitment, these roller rockers are designed to reduce friction, improve valvetrain stability, and help maximize engine performance over stock stamped-steel rockers.
Constructed from aluminum for reduced reciprocating weight, this complete set is purpose-built for Big Block Chevy 454 applications. The DNA® roller tip and roller trunnion design work together to deliver smoother, more consistent valve actuation — making them a solid choice for street performance and racing builds alike.
MPN1-261-005
UPC840136501671
