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The COMP Cams C43 266H-R12 retrofit hydraulic roller cam fits 1985–1987 GM 4.3L (262 cid) V6 engines originally with flat tappet cams. Optimized for use with throttle body and sequential port injection when paired with an aftermarket chip, it delivers stronger low-end and mid-range torque for improved drivability across common driving conditions.
COMP Cams Camshaft C43 266H-R12
