HIGH SPEED DIFFERENTIAL GEAR SET. This is a direct replacement differential gear set for 1940-1954 Chevrolet passenger cars. These gears will give a 3.55:1 gear ratio to install into the original stock differential housing. A 3.55:1 ratio will easily give the driver freeway speeds without major modifications to the drive train of the vehicle. The pinion gear has 11 teeth and the ring gear has 39 teeth. Replaces GM# 3705430, 3694806, 3705261, 3705262 Also available is a gear installation kit, which is sold separately. This part is oversize and special freight charges will apply. Call or email us for a freight quote.

This installation kit is for all 1937-1939 Chevrolet passenger cars. Kit includes: 2 Carrier Bearings, Pinion Bearing - Front, Pinion Bearing - Rear, 2 Wheel Bearings, 2 Rear Axle Seals, Differential Carrier & Cover Gaskets, U-joint Gasket Kit, and Pinion Installation Tool. Does NOT include shim pack or driveshaft bushing & seal assembly. Kit contents: 2 ea. Carrier Bearings; 1 ea. Diff Cover Gasket; 1 ea. Differential Carrier Gasket; 2 ea. Rear Wheel Bearings; 1 ea. Front Differential Pinion Bearing; 1 ea. Rear Differential Pinion Bearing; 2 ea. Rear Axle Seals; 1 set U-joint Ball Housing Gaskets; 1 ea. Differential Pinion Installation Tool NOTE: This kit cannot be used with FS-789 gear set without RW-20 adapter, which is unavailable at this time.

This installation kit is for all 1951-1954 Chevrolet passenger cars with Standard Transmission. Kit includes: 2 Carrier Bearings, Pinion Bearing - Front, Pinion Bearing - Rear, 2 Wheel Bearings, 2 Rear Axle Seals, Torque Tube Bushing & Seal Assembly, Differential Carrier & Cover Gaskets, U-joint Gasket Kit, and Pinion Installation Tool.

This installation kit is for all 1940-1950 Chevrolet passenger cars with Standard Transmission. Kit includes: 2 Carrier Bearings, Pinion Bearing - Front, Pinion Bearing - Rear, 2 Wheel Bearings, 2 Rear Axle Seals, Torque Tube Bushing & Seal Assembly, Differential Carrier & Cover Gaskets, U-joint Gasket Kit, and Pinion Installation Tool.

This installation kit is for all 195O Chevrolet passenger cars with Powerglide Transmission. Kit includes: 2 Carrier Bearings, Pinion Bearing - Front, Pinion Bearing - Rear, 2 Wheel Bearings, 2 Rear Axle Seals, Torque Tube Bushing & Seal Assembly, Differential Carrier & Cover Gaskets, U-joint Gasket Kit, and Pinion Installation Tool.

This installation kit is for all 1951-1954 Chevrolet passenger cars with Powerglide Transmission. Kit includes: 2 Carrier Bearings, Pinion Bearing - Front, Pinion Bearing - Rear, 2 Wheel Bearings, 2 Rear Axle Seals, Torque Tube Bushing & Seal Assembly, Differential Carrier & Cover Gaskets, U-joint Gasket Kit, and Pinion Installation Tool.