engineTiming Chain Kit Torque Specsfor 1971 Buick GSX 455ci V8 Stage 1 · RWDUnitslb-ftNm3 fastenersSeqComponentTorqueAngle—Camshaft sprocket boltsCritical20 lb-ft · 27 Nm——Harmonic balancer/crank boltCritical225 lb-ft · 305 Nm——Timing cover bolts12 lb-ft · 16 Nm—📝 Suggest a correction to this torque spec