These replacement aluminum rocker arms for GM 602 crate engines feature a 1.5 ratio and come with the nut and ball. They work with 3/8" studs.
• 1.5 ratio rocker arm
• Single service part for 3/8" stud
• Rocker arm with nut and ball
• Non-roller rocker arm style
• Polylock rocker arm nut style
• Self-Aligning
• Genuine GM 602 replacement part number 10089648
• Sold each
• GMP10089648
• 1.5 ratio rocker arm
• Single service part for 3/8" stud
• Rocker arm with nut and ball
• Non-roller rocker arm style
• Polylock rocker arm nut style
• Self-Aligning
• Genuine GM 602 replacement part number 10089648
• Sold each
• GMP10089648