Feature●Ford Big Block. 1.73:1 Ratio with 7/16" Stud Diameter. Set of 16 Rocker Arms and Poly Locks.●Extra Large Full Needle Bearing Trunnion●Withstands Spring Pressures Up to 700 lbs●Chrome-Moly Push Rods RecommendedDescription
Elgin Pro Stock High Performance Stainless Steel Roller Rocker Arms for Ford Big Block. 1.73:1 Ratio with 7/16" Stud Diameter. Set of 16 Rocker Arms and Poly Locks.