Speedmaster PCE261.1133.03 Ford 289 302 351W Adj Stud Mount 1.6 Alum Rocker

Ford SB 289 302 Windsor Adjustable 5/16 Stud Mount 1.6 Aluminum Rocker Arms Set Our PCE aluminum rocker arms are made from 6061-T6 or Series 7000 2024 aircraft quality aluminum alloy extrusions. Each rocker body is relieved for extra valve spring clearance and anodized for added strength. CNC machined billet steel pedestals, ground steel alloy rocker shafts, alloy steel fasteners, and needle roller bearings from the finest manufacturers in the world comprise the foundation of these rocker arm systems. These complete kits include all the components and hardware required for a professional installation. Benefits/Characteristics - Rated 750 lbs. open spring pressure- Internal oiling system for long-lasting performance- SAE 42100 full complement precision needle and cage roller bearings. Extruded from 6061 T6 Aluminum Precision-machined to ensure consistency and ratio accuracy