General Motors LS Engines. 1.7:1 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 Recommended
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Item# : SPM16126468924
Model # : SSR-907RS