Big Block Chevy Pro Series 2024 Aluminum Roller Rocker Arms, 1.7 Ratio, 7/16 in. Stud, Needle Bearing Tip Cap Rotors reducing heat transfer into the

reducing heat transfer into the air/fuel mixture

and any re-torque requirements for your engine

Top Style: Centered Finned

Designed for Chevrolet Gen I Small Block engines equipped with 4-bolt main caps and large journal crankshafts

Big Block Chevy Pro Series 2024 Aluminum Roller Rocker Arms, 1.7 Ratio, 7/16 in. Stud, Needle Bearing Tip Cap Rotors reducing heat transfer into theBig Block Chevy 1. 7 Ratio Roller Rocker Arms for Improved Valvetrain Performance These 1. 7 ratio roller rocker arms are designed for Big Block Chevy applications, helping improve valve lift, reduce friction, and support more responsive engine performance. Built from 2024 aluminum, this rocker arm design balances strength, durability, and valvetrain stability for street performance, restoration, and upgraded engine builds. The needle bearing design