Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982

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Home / Automotive / Replacement Parts / Differential Rings & Pinions

Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982

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Brand : Richmond Gear/Motive Gear
EXCEL 12BT308 Differential Ring & Pinion for GM 8.875 Truck with a 3.08 gear ratio.
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Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
View Detail
Type
Differential Rings & Pinions
Title
Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Price
$237.99 USD
Vendor
Richmond Gear/Motive Gear
Description
Product Overview.Upgrade your GM 8.875" truck differential with the EXCEL 12BT308 Ring & Pinion Set.Engineered for a factory-accurate fitment for classic GM trucks from 1963 to 1982 and smooth highway performance.🔹 Features & Benefits: ✅ 3.08 Gear Ratio for highway driving and better fuel efficiency.✅ 12-Bolt Cover ensures durability and proper fitment.✅ 30-Spline Pinion with 13-Pinion Gear Teeth for high-stress applications.✅ 1.438” Pinion Shaft Diameter for power transfer.✅ 8.875” Ring Gear with 40 Teeth for smooth engagement.✅ Made from 8620 Steel for durability and longevity.✅ Requires a 2.76 to 3.42 Ratio Carrier for installation.✅ Direct OE replacement, ensuring factory compatibility & easy installation.🚗 Application & Compatibility: ✅ Chevrolet Models: Chevrolet Blazer (1969-1974) Chevrolet C10 (1975-1982) Chevrolet C10 Panel (1965-1967) Chevrolet C10 Pickup (1963-1974) Chevrolet C10 Suburban (1967-1982) Chevrolet C20 (1975-1981) Chevrolet C20 Pickup (1969-1974) Chevrolet C20 Suburban (1973-1981) Chevrolet G10 (1975-1981) Chevrolet G10 Van (1963-1974) Chevrolet G20 (1975-1981) Chevrolet G20 Van (1967-1974) Chevrolet K10 (1975-1981) Chevrolet K10 Pickup (1963-1974) Chevrolet K10 Suburban (1967-1982) Chevrolet K20 (1975-1981) Chevrolet K20 Pickup (1969-1974) Chevrolet K20 Suburban (1973-1981) Chevrolet K5 Blazer (1975-1981) Chevrolet P10 (1975-1980) Chevrolet P10 Series (1965-1967) Chevrolet P10 Van (1967-1974) Chevrolet P20 (1975-1981) Chevrolet P20 Series (1966-1967) 🔄 Replaces For: ✅ USA Standard Gear: 36173 ✅ Richmond Gear: 49-0068-1 ✅ Transtar Industries: 742J730 ✅ Motive Gear: GM12-308 ✅ Richmond Gear: SGM12T01 ✅ USA Standard Gear: ZG GM12T-308 🛡 Warranty & Why Choose EXCEL from Richmond?Backed by a 1-year or 50,000-mile warranty, the EXCEL 12BT308 Ring & Pinion Set ensures performance, durability, and precise fitment.As a trusted name in differential gears, EXCEL delivers components built for long-lasting performance.Upgrade your GM 8.875" truck differential with EXCEL from Richmond’s 3.08 Ring & Pinion Set for highway performance and maximum efficiency!🚗💨

More about this item : Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982

Product Overview.

Upgrade your GM 8.875" truck differential with the EXCEL 12BT308 Ring & Pinion Set.

Engineered for a factory-accurate fitment for classic GM trucks from 1963 to 1982 and smooth highway performance.

🔹 Features & Benefits: ✅ 3.08 Gear Ratio for highway driving and better fuel efficiency.

✅ 12-Bolt Cover ensures durability and proper fitment.

✅ 30-Spline Pinion with 13-Pinion Gear Teeth for high-stress applications.

✅ 1.438” Pinion Shaft Diameter for power transfer.

✅ 8.875” Ring Gear with 40 Teeth for smooth engagement.

✅ Made from 8620 Steel for durability and longevity.

✅ Requires a 2.76 to 3.42 Ratio Carrier for installation.

✅ Direct OE replacement, ensuring factory compatibility & easy installation.

🚗 Application & Compatibility: ✅ Chevrolet Models: Chevrolet Blazer (1969-1974) Chevrolet C10 (1975-1982) Chevrolet C10 Panel (1965-1967) Chevrolet C10 Pickup (1963-1974) Chevrolet C10 Suburban (1967-1982) Chevrolet C20 (1975-1981) Chevrolet C20 Pickup (1969-1974) Chevrolet C20 Suburban (1973-1981) Chevrolet G10 (1975-1981) Chevrolet G10 Van (1963-1974) Chevrolet G20 (1975-1981) Chevrolet G20 Van (1967-1974) Chevrolet K10 (1975-1981) Chevrolet K10 Pickup (1963-1974) Chevrolet K10 Suburban (1967-1982) Chevrolet K20 (1975-1981) Chevrolet K20 Pickup (1969-1974) Chevrolet K20 Suburban (1973-1981) Chevrolet K5 Blazer (1975-1981) Chevrolet P10 (1975-1980) Chevrolet P10 Series (1965-1967) Chevrolet P10 Van (1967-1974) Chevrolet P20 (1975-1981) Chevrolet P20 Series (1966-1967) 🔄 Replaces For: ✅ USA Standard Gear: 36173 ✅ Richmond Gear: 49-0068-1 ✅ Transtar Industries: 742J730 ✅ Motive Gear: GM12-308 ✅ Richmond Gear: SGM12T01 ✅ USA Standard Gear: ZG GM12T-308 🛡 Warranty & Why Choose EXCEL from Richmond?

Backed by a 1-year or 50,000-mile warranty, the EXCEL 12BT308 Ring & Pinion Set ensures performance, durability, and precise fitment.

As a trusted name in differential gears, EXCEL delivers components built for long-lasting performance.

Upgrade your GM 8.875" truck differential with EXCEL from Richmond’s 3.08 Ring & Pinion Set for highway performance and maximum efficiency!

🚗💨

Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982
Key Features
  • ✅ Compatibility: Designed for GM 8.875" Truck differentials with a differential carrier break of 2.76 to 3.42 ratios, offering a direct replacement for USA Standard Gear 36173 and ZG GM12T-308
  • ✅ Engineering Precision: Features a 3.08 gear ratio with a pinion gear tooth count of 13 and a ring gear tooth count of 40, ensuring smooth and efficient operation for Chevrolet and GMC selected models
  • ✅ Standard Specifications: Includes 12 cover bolts, 12 ring gear bolts, and a standard ring gear rotation, with a pinion shaft diameter of 1.438 inches and a 30-spline pinion count for exact fitment
  • ✅ Quality Materials: Crafted from durable 8620 steel, the EXCEL by Richmond 12BT308 Ring and Pinion Gear Set ensures reliable performance and durability for GM 8.875" Truck differentials
  • ✅ Performance Guarantee: Backed by a 1-year or 50,000-mile warranty, this ring and pinion gear set delivers dependable performance for light-duty differentials, ensuring peace of mind on every drive
Technical Specifications
  • Length : 15.0 lb
  • Width : 11.0 lb
  • Height : 5.38 lb
  • Weight : 14.5 lb
Product Identifiers
  • ASIN B0086D0VZW
  • UPC: 698231728260
Shipping Information
  • Ships From : United States
  • Brand : Richmond Gear/Motive Gear

Frequently Asked Questions About : Differential Ring & Pinion EXCEL 12BT308, For GM 8.875 Truck, Gear Ratio: 3.08, 12-Bolt, 30 Spline, 13 Pinion & 40 Ring Tooth- Fits Chevrolet C10/C20/K10/K20/G10/G20/K5 Blazer/P10/P20-1963-1982

01 What is the gear ratio of the EXCEL 12BT308?

The gear ratio of the EXCEL 12BT308 is 3.08.

02 What type of truck is the EXCEL 12BT308 compatible with?

The EXCEL 12BT308 is compatible with GM 8.875 Truck differentials.

03 What material is the EXCEL 12BT308 made from?

The EXCEL 12BT308 is made from durable 8620 steel.

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