T&D Roller Rockers for Aluminum Heads

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This is a set of "T&D ROLLER ROCKER ARMS FOR ALUMINUM HEADS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These are available in 1.55 or 1.65 ratios, please specify which you would like in the notes box at checkout. If you have any questions, please contact sales@gn1performance.com.