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This 1.85 ratio rocker arm and valve spring package is designed as a true bolt-on replacement for your LS3 engine. These rockers require no valve cover or cylinder head modifications. Their aluminum construction is OEM-quality and a roller bearing trunnion results in a 10% increase in valve lift over the stock 1.7 ratio rocker arms and offers gains of up to 12 horsepower over stock. Retainers, keepers, and SLP high-lift valve springs are included to prevent coil bind. Detailed instructions and all necessary installation hardware is included.
Features of this Package:
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