The Speedmaster PCE204.1040 is a Limited Slip Differential engineered for GM 8.875-inch 12-bolt car rear axle assemblies. Featuring a 12-pinion gear set and 30-spline C-clip axle compatibility, this LSD is designed to deliver improved traction by distributing torque to both rear wheels, helping reduce wheel spin under acceleration for more consistent, confident performance.
Designed as a direct-fit replacement or upgrade for GM 8.875-inch 12-bolt car rear ends, this Speedmaster limited slip differential is a strong choice for street performance and restoration builds that demand reliable, factory-style fitment with enhanced traction capability. Always verify your axle spline count and differential carrier specifications before ordering to ensure proper compatibility.