Retro-Fit Hydraulic Roller Cam
For '85-'87 GM 4.3L/262 cid 90& sup3
V6 Engines Originally Equipped with Flat Tappet Cam. Limited High Performance Street Use - Aftermarket Intake, Headers, 2500+ Stall and 3.40-4.10 Gears Suggested. Mild Rough Idle - For Carbureted Engines