Skip to product information
1 of 2

Motive Gear

Motive Gear GM 8.875" 12 Bolt Truck 3.73 Ratio Crown Wheel & Pinion Gear Set

Motive Gear GM 8.875" 12 Bolt Truck 3.73 Ratio Crown Wheel & Pinion Gear Set

SKU: GM12-373


Regular price $482.00
Regular price Sale price $482.00
Sale Sold out
GST included. Shipping calculated at checkout.
In stock - Ready to ship

Shipping Calculated at Checkout

For GM 8.875" (12 Bolt); 3.73 Ratio; Requires a 3.73 and Numerically Higher Ratio Carrier

Vehicle Applications:

1969-1974 Chevrolet Blazer
1975-1982 Chevrolet C10
1965-1967 Chevrolet C10 Panel
1964-1974 Chevrolet C10 Pickup
1967-1982 Chevrolet C10 Suburban
1975-1981 Chevrolet C20
1969-1974 Chevrolet C20 Pickup
1973-1981 Chevrolet C20 Suburban
1975-1981 Chevrolet G10
1964-1974 Chevrolet G10 Van
1975-1981 Chevrolet G20
1967-1974 Chevrolet G20 Van
1975-1981 Chevrolet K10
1964-1974 Chevrolet K10 Pickup
1967-1982 Chevrolet K10 Suburban
1975-1981 Chevrolet K20
1969-1974 Chevrolet K20 Pickup
1973-1981 Chevrolet K20 Suburban
1975-1981 Chevrolet K5 Blazer
1975-1980 Chevrolet P10
1965-1967 Chevrolet P10 Series
1967-1974 Chevrolet P10 Van
1975-1981 Chevrolet P20
1966-1967 Chevrolet P20 Series
1968-1974 Chevrolet P20 Van
1965-1966 Chevrolet Suburban
1975-1978 GMC C15
1975-1978 GMC C15 Suburban
1967-1974 GMC C15/C1500 Pickup
1967-1974 GMC C15/C1500 Suburban
1979-1982 GMC C1500
1979-1981 GMC C1500 Suburban
1975-1978 GMC C25
1975-1978 GMC C25 Suburban
1969-1974 GMC C25/C2500 Pickup
1969-1974 GMC C25/C2500 Suburban
1979-1981 GMC C2500
1979-1981 GMC C2500 Suburban
1965-1966 GMC G1000 Series
1975-1978 GMC G15
1967-1974 GMC G15/G1500 Van
1979-1981 GMC G1500
1975-1978 GMC G25
1967-1974 GMC G25/G2500 Van
1979-1981 GMC G2500
1970-1981 GMC Jimmy
1966-1966 GMC K1000 Pickup
1975-1978 GMC K15
1975-1978 GMC K15 Suburban
1966-1974 GMC K15/K1500 Pickup
1967-1974 GMC K15/K1500 Suburban
1979-1982 GMC K1500
1979-1982 GMC K1500 Suburban
1975-1978 GMC P15
1967-1974 GMC P15/P1500 Van
1979-1980 GMC P1500
1975-1978 GMC P25
1967-1974 GMC P25/P2500 Van
1979-1981 GMC P2500
1965-1966 GMC PB1000 Series
1966-1966 GMC PB15 Series
1965-1965 GMC PB1500 Series
1966-1966 GMC PB2500 Van


Differential Model: GM 8.875 Truck
Pinion Gear Tooth Quantity: 11
Pinion Shaft Diameter: 1.438 Inch
Pinion Spline Count: 30
Ring & Pinion Gear Ratio: 3.73
Ring Gear Bolt Quantity: 12
Ring Gear Diameter: 8.875 Inch
Ring Gear Material: 8620 Steel
Ring Gear Rotation: Standard
Ring Gear Tooth Quantity: 41

Additional Information:


Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Our gear sets are made from first-run steel, we never use recycled metal. This allows Motive Gear Performance ring and pinions to handle the extreme torque from high horsepower racing engines. Extensive engineering, computer-controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios, makes Motive Gear Performance ring and pinions the clear winner! Engineered to the highest standards, every Motive Gear Performance product goes through rigid quality control processes in our in-house lab. Motive Gear Performance: What the pros run!


Shipping in Australian

All Items purchased online are shipped from our Head Office/Warehouse located in Kogarah, New South Wales.

Orders are dispatched within 1-2 business days

All orders are sent with detailed tracking information to your email.


We do NOT offer ATL (Authority to Leave) courier option

We do NOT ship to PO Boxes

Shipping International

We are currently not offering international shipping on our website.  Please contact us, with information on the products you are interested in, and we can send you quotes on Shipping Rates for your order.

If you require more information regarding delivery terms and conditions, please refer to our Shipping/Delivery Policy which outlines our Delivery Policy in more detail.

Local Pick Up/Click & Collect

We’ve introduced Local Pick Up/Click & Collect. That means you can order the product online and pick up from our Kogarah warehouse (find us here). 
For more information refer to our Local Pick Up
/Click & Collect

Contact Us For More Info on this Product

View full details