Features: Part Type:Rocker Arms Rocker Arm Mounting Style: Stud Self-Aligning: No Rocker Arm Ratio: 1.72 Rocker Arm Style: Full roller Stud Size: 7/16 in. Rocker Arm Material: Aluminum alloy Rocker Arm Body Style: Standard Rocker Arm Fasteners Included: Yes Rocker Arm Nut Style: Polylock Rocker Arm Finish: Red anodized Quantity: Sold as a set of 16. ; Package Contents: 16* Roller Rocker Arms 16* Rocker Arm Fasteners