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AMC 20

  •  AMC Model 20 Detroit Truetrac Posi 29 Spline 912A579
    $575.00 AMC Model 20 Detroit Truetrac Posi 29 Spline 912A579
    The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. Operation The Truetrac operates as a standard or open differential...

  • AMC Model 20 Auburn Pro Posi Differential 29 Spline 542081
    $495.00 AMC Model 20 Auburn Pro Posi Differential 29 Spline 542081
    Rev it up and pop the clutch! Auburn Gear Pro series differentials offer the best in controlled power transfer! Built tough with a unique cone-clutch design, Pro Series differentials deliver even higher bias torque than...