Crane Cams 10758-16 Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 3/8 in. Stud

Gold Race Aluminum Rocker Arms for Chevrolet 90° 4.3L V-6, 305-350 V-8, 1.6 ratio, 3/8'' stud, self-aligning - set of 16

INCREASED RATIO AND STANDARD STUD DIAMETER (CANNOT BE USED WITH A MECHANICAL LIFTER CAM) FOR USE IN SELF- ALIGNING APPLICATIONS. DO NOT USE WITH PUSHROD GUIDEPLATES OR WITH CYLINDER HEAD CASTINGS THAT GUIDE THE PUSHRODS, AS SEVERE PUSHROD WEAR WILL OCCUR.