ProFlow’s upgraded rocker arms feature high-quality rocker bodies that utilize the factory style fulcrum mount. They are made of high-grade 4340 Alloy steel construction to ensure long-lasting durability and performance. These rocker arms are a perfect upgrade for higher rate springs and performance camshafts. Proflow’s roller tip rocker arms are a perfect cost effective upgrade because they cost less than a oem stock replacement. Included are fulcrums and posi locks. 

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Note: Rail type are typically used on later heads with round pushrod holes that rely on keeping rocker body positioned on valve stem

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If using early heads with slotted pushrod holes for rocker positioning then please use our  PFERRK-3003

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