Motive Gear Master Differential Installation Kit - 8.5 in - GM 10-Bolt 1970-99 R10RMK RS00100311 A shorter torque arm improves

A shorter torque arm improves weight transfer on acceleration

bolted to the harmonic balancer

Engine RPM / Drive Shaft RPM / Clutch RPM

1979-1986 GMC G2500

710 in Long

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