Are you stuggling for traction, or just have some terrible noise coming from the GM 12-bolt in your truck? Hurst Engineering Limited Slip Differentials offer great traction and strength, but are not overly aggressive for the street. These differentials are 4-spring, composite, clutch-style, limited-slip carriers-with internal gears machined from forged 4320 steel and stronger teeth. These differentials are for GM 12-bolt 30 spline rear ends, and are compatible with 3.73-UP ring & pinion gears. Get rid of that old open differential and upgrade to a limited slip unit!

Product Features:

• Fits 3.73 Gear Ratio & Up
• Fits 12T GM with 30 Spline Axles
• Composite Clutches for great driveability
• Feature 4320 chromoly spider gears for ultimate durability
• Gears are cut to provide the strongest teeth possible in any terrain

Product Specifications:

• Brand: Hurst Engineering
• Differential Type: Limited Slip
• Emission Code: 6
• Product Type: Differential
• Rear Axle Type: GM 12-Bolt (12T)

Product Fitment:

Chevrolet 1963-1987
• Chevrolet C10
• Chevrolet C10 Pickup
• Chevrolet C10 Suburban
• Chevrolet C15
• Chevrolet C20
• Chevrolet C20 Pickup
• Chevrolet C20 Suburban
• Chevrolet C30
• Chevrolet C30 Pickup
• Chevrolet C35
• Chevrolet K10
• Chevrolet K10 Pickup
• Chevrolet K10 Suburban
• Chevrolet K20
• Chevrolet K20 Suburban
• Chevrolet K30
• Chevrolet K30 Pickup
• Chevrolet K5 Blazer
• Chevrolet R10
• Chevrolet R10 Suburban
• Chevrolet R1500 Suburban
• Chevrolet R20
• Chevrolet R20 Suburban
• Chevrolet R2500
• Chevrolet R2500 Suburban
• Chevrolet R30
• Chevrolet R3500
• Chevrolet V10
• Chevrolet V10 Suburban
• Chevrolet V1500 Suburban
• Chevrolet V20
• Chevrolet V20 Suburban
• Chevrolet V2500 Suburban
• Chevrolet V30
• Chevrolet V3500
GMC 1963-1987
• GMC C15
• GMC C15 Suburban
• GMC C15/C1500 Pickup
• GMC C15/C1500 Suburban
• GMC C25
• GMC C25 Suburban
• GMC C25/C2500 Pickup
• GMC C25/C2500 Suburban
• GMC C35
• GMC C35/C2500
• GMC Jimny
• GMC K15
• GMC K15 Suburban
• GMC K15/K1500 Pickup
• GMC K15/K1500 Suburban
• GMC K25
• GMC K25 Suburban
• GMC K25/K2500 Pickup
• GMC K25/K2500 Suburban
• GMC K35
• GMC K35/K3500 Pickup
• GMC R1500 Suburban
• GMC R2500
• GMC R2500 Suburban
• GMC R3500
• GMC V1500 Suburban
• GMC V2500 Suburban
• GMC V3500