Yukon High Performance Ring & Pinion Gear Set (GM 12-Bolt Truck, 5.13 Ratio) - YG GM12T-513
Upgrade your differential with the industry benchmark in quality—the Yukon Gear & Axle High-Performance Ring and Pinion Gear Set (YG GM12T-513). Engineered for GM 12-bolt truck axles with an 8.875" ring gear diameter, this 5.13 ratio gear set is designed for maximum strength, precise mesh, and long-lasting durability under demanding horsepower and large-tire setups.
Backed by Yukon’s lifetime Y.E.S. Plan protection, every gear set utilizes advanced heat-treating techniques and state-of-the-art manufacturing processes to meet exacting tolerances.
Features
- High-performance ring and pinion gear set engineered for exact OE fitment and quiet operation
- Robust 5.13 gear ratio optimized for heavy-duty traction, rock crawling, and large tire configurations
- Manufactured using advanced heat-treating and state-of-the-art quality testing
- Covered by Yukon's lifetime, no-questions-asked Y.E.S. Plan protection
Specifications
- SKU / Part Number: YG GM12T-513
- Manufacturer: Yukon Gear and Axle
- UPC Code: 883584244639
- Proxy Number: 24463
- Differential Application: GM 12-Bolt Truck (8.875" Ring Gear Diameter, 12 Ring Gear Bolts)
- Pinion Spline Count: 30 Spline
- Gear Ratio: 5.13 (Fits 4-series 3.73 & Up Carrier)
- Shipping Dimensions: 16.00 in. (Length) x 12.00 in. (Width) x 6.00 in. (Depth)
- Shipping Weight: 14.63 lbs
What's in the Box
- One (1) Ring Gear (8.875", 12-Bolt, 5.13 Ratio)
- One (1) Pinion Gear (30-Spline)
Fitment
Chevrolet:
- 1969–1974 Chevrolet Blazer (GM 12 Bolt Truck)
- 1987 Chevrolet Blazer 4WD (GM 12 Bolt Truck)
- 1975–1986 Chevrolet C10 RWD (GM 12 Bolt Truck)
- 1963–1974 Chevrolet C10 Pickup (GM 12 Bolt Truck)
- 1975–1981 Chevrolet G10 RWD (GM 12 Bolt Truck)
- 1967–1974 Chevrolet G10 Van (GM 12 Bolt Truck)
- 1975–1986 Chevrolet K10 4WD (GM 12 Bolt Truck)
- 1963–1974 Chevrolet K10 Pickup (GM 12 Bolt Truck)
- 1967–1974 Chevrolet K10 Suburban (GM 12 Bolt Truck)
- 1975–1986 Chevrolet K10 Suburban 4WD (GM 12 Bolt Truck)
- 1975–1986 Chevrolet K5 Blazer 4WD (GM 12 Bolt Truck)
- 1987 Chevrolet R10 RWD (GM 12 Bolt Truck)
- 1963–1966 Chevrolet Suburban (GM 12 Bolt Truck)
- 1987 Chevrolet V10 4WD (GM 12 Bolt Truck)
- 1987 Chevrolet V10 Suburban 4WD (GM 12 Bolt Truck)
GMC:
- 1975–1978 GMC C15 RWD (GM 12 Bolt Truck)
- 1975–1978 GMC C15 Suburban RWD (GM 12 Bolt Truck)
- 1967–1974 GMC C15/C1500 Pickup (GM 12 Bolt Truck)
- 1967–1974 GMC C15/C1500 Suburban (GM 12 Bolt Truck)
- 1979–1986 GMC C1500 RWD (GM 12 Bolt Truck)
- 1979–1986 GMC C1500 Suburban RWD (GM 12 Bolt Truck)
- 1975–1978 GMC G15 RWD (GM 12 Bolt Truck)
- 1967–1974 GMC G15/G1500 Van (GM 12 Bolt Truck)
- 1964–1966 GMC G1500 (GM 12 Bolt Truck)
- 1979–1987 GMC G1500 RWD (GM 12 Bolt Truck)
- 1975–1978 GMC G25 RWD (GM 12 Bolt Truck)
- 1967–1974 GMC G25/G2500 Van (GM 12 Bolt Truck)
- 1979–1981 GMC G2500 RWD (GM 12 Bolt Truck)
- 1975–1978 GMC K15 4WD (GM 12 Bolt Truck)
- 1975–1978 GMC K15 Suburban 4WD (GM 12 Bolt Truck)
- 1966–1974 GMC K15/K1500 Pickup (GM 12 Bolt Truck)
- 1967–1974 GMC K15/K1500 Suburban (GM 12 Bolt Truck)
- 1979–1986 GMC K1500 4WD (GM 12 Bolt Truck)
- 1979–1985 GMC K1500 Suburban 4WD (GM 12 Bolt Truck)
- 1987 GMC R1500 RWD (GM 12 Bolt Truck)
- 1987 GMC R1500 Suburban RWD (GM 12 Bolt Truck)
- 1963–1966 GMC Suburban (GM 12 Bolt Truck)
- 1987 GMC V1500 4WD (GM 12 Bolt Truck)
- 1987 GMC V1500 Suburban 4WD (GM 12 Bolt Truck)
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