Feature●General Motors LS Engines. 1.8:1 Ratio with 3/8" 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 General Motors LS Engines. 1.8:1 Ratio with 3/8" Stud Diameter. Set of 16 Rocker Arms and Poly Locks.