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Ring And Pinion Conversion, 3.55:1. Chevrolet And GMC 1/2 Ton Truck Only

Item # 3705439A 40-54
Weighs 15.2300lbs.

This is a ring and pinion conversion 3.55:1 gear ratio. Fits 1/2 ton Chevy and GMC truck only. Bolt in for 1940-53 (1937-39 requires drive line modification). 1954 1/2 ton truck needs the correct carrier to install this conversion (spool casting #3652336--40-53, 1/2 ton trucks).

  • Will not fit Canadian spec pickup

This part fits most 1940 1941 1942 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Trucks; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.


$399.50 Set

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Instruction Sheets

Download (10 Pages) - Instruction Sheet _ Ring And Pinion Conversion Truck Installation

Fits Vehicle Models

Street Rod Parts - Product Fits Vehicle Models

Years Make Type Model Body Series Description
1940 Chevrolet Truck KC 1/2T Commercial -1/2 Ton, 2 Stake Pockets - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC 1/2T Commercial -1/2 Ton, 2 Stake Pockets - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC Panel 1/2T Commercial - 1/2 Ton, Panel - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC Panel 1/2T Commercial - 1/2 Ton, Panel - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC Suburban 1/2T Commercial -1/2 Ton, Suburban - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC Suburban 1/2T Commercial -1/2 Ton, Suburban - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC Suburban D 1/2T Commercial -1/2 Ton, Suburban Carryall W/Doors - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC Suburban D 1/2T Commercial -1/2 Ton, Suburban Carryall W/Doors - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC Suburban G 1/2T Commercial -1/2 Ton, Suburban Carryall W/End Gate - Wheelbase 113 1/2in.
1940 Chevrolet Truck KC Suburban G 1/2T Commercial -1/2 Ton, Suburban Carryall W/End Gate - Wheelbase 113 1/2in.
1941 Chevrolet Truck AK 1/2T Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 115in.
1941 Chevrolet Truck AK 1/2T Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 115in.
1941 Chevrolet Truck AK Panel 1/2T Commercial - 1/2 Ton - Panel - Wheelbase 115in.
1941 Chevrolet Truck AK Panel 1/2T Commercial - 1/2 Ton - Panel - Wheelbase 115in.
1941 Chevrolet Truck AK Suburban D 1/2T Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 115in.
1941 Chevrolet Truck AK Suburban D 1/2T Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 115in.
1941 Chevrolet Truck AK Suburban G 1/2T Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 115in.
1941 Chevrolet Truck AK Suburban G 1/2T Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 115in.
1942 Chevrolet Truck BK 1/2T Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 115in.
1942 Chevrolet Truck BK 1/2T Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 115in.
1942 Chevrolet Truck BK Panel 1/2T Commercial - 1/2 Ton - Panel - Wheelbase 115in.
1942 Chevrolet Truck BK Panel 1/2T Commercial - 1/2 Ton - Panel - Wheelbase 115in.
1942 Chevrolet Truck BK Suburban D 1/2T Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 115in.
1942 Chevrolet Truck BK Suburban D 1/2T Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 115in.
1942 Chevrolet Truck BK Suburban G 1/2T Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 115in.
1942 Chevrolet Truck BK Suburban G 1/2T Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 115in.
1946 Chevrolet Truck CK 1/2T Commercial - 1/2 Ton - 2 Stake Pockets - Manf. 1945 - Wheelbase 115in.
1946 Chevrolet Truck CK 1/2T Commercial - 1/2 Ton - 2 Stake Pockets - Manf. 1945 - Wheelbase 115in.
1946 Chevrolet Truck CK Panel 1/2T Commercial - 1/2 Ton - Panel - Manf. 1945 - Wheelbase 115in.
1946 Chevrolet Truck CK Panel 1/2T Commercial - 1/2 Ton - Panel - Manf. 1945 - Wheelbase 115in.
1946 Chevrolet Truck DP 1/2T Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 115in.
1946 Chevrolet Truck DP 1/2T Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 115in.
1946 Chevrolet Truck DP Panel 1/2T Commercial - 1/2 Ton - Panel - Wheelbase 115in.
1946 Chevrolet Truck DP Panel 1/2T Commercial - 1/2 Ton - Panel - Wheelbase 115in.
1946 Chevrolet Truck DP Suburban D 1/2T Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 115in.
1946 Chevrolet Truck DP Suburban D 1/2T Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 115in.
1946 Chevrolet Truck DP Suburban G 1/2T Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 115in.
1946 Chevrolet Truck DP Suburban G 1/2T Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 115in.
1947 Chevrolet Truck EP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1947 Chevrolet Truck EP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1947 Chevrolet Truck EP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1947 Chevrolet Truck EP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1947 Chevrolet Truck EPSUB G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1947 Chevrolet Truck EPSUB G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1948 Chevrolet Truck FP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1948 Chevrolet Truck FP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1948 Chevrolet Truck FP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1948 Chevrolet Truck FP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1948 Chevrolet Truck FP Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1948 Chevrolet Truck FP Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1949 Chevrolet Truck GP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1949 Chevrolet Truck GP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1949 Chevrolet Truck GP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1949 Chevrolet Truck GP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1949 Chevrolet Truck GP Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1949 Chevrolet Truck GP Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1950 Chevrolet Truck HP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets TRUCK GMC - Wheelbase 116in.
1950 Chevrolet Truck HP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets TRUCK GMC - Wheelbase 116in.
1950 Chevrolet Truck HP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1950 Chevrolet Truck HP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1950 Chevrolet Truck HP Suburban D 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 116in.
1950 Chevrolet Truck HP Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1950 Chevrolet Truck HP Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1951 Chevrolet Truck JP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1951 Chevrolet Truck JP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1951 Chevrolet Truck JP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1951 Chevrolet Truck JP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1951 Chevrolet Truck JP Suburban D 1/2T 3100 Commercial - 1/2 Ton - Suburban Carry All W/Doors - Wheelbase 116in.
1951 Chevrolet Truck JP Suburban D 1/2T 3100 Commercial - 1/2 Ton - Suburban Carry All W/Doors - Wheelbase 116in.
1951 Chevrolet Truck JP Suburban G 1/2T 3100 Commercial -1/2 Ton - Suburban Carry All W/End Gate - Wheelbase 116in.
1951 Chevrolet Truck JP Suburban G 1/2T 3100 Commercial -1/2 Ton - Suburban Carry All W/End Gate - Wheelbase 116in.
1952 Chevrolet Truck KP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1952 Chevrolet Truck KP 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1952 Chevrolet Truck KP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1952 Chevrolet Truck KP Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1952 Chevrolet Truck KP Suburban D 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 116in.
1952 Chevrolet Truck KP Suburban D 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 116in.
1952 Chevrolet Truck KP Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1952 Chevrolet Truck KP Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1953 Chevrolet Truck H3 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1953 Chevrolet Truck H3 1/2T 3100 Commercial - 1/2 Ton - 2 Stake Pockets - Wheelbase 116in.
1953 Chevrolet Truck H3 Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1953 Chevrolet Truck H3 Panel 1/2T 3100 Commercial - 1/2 Ton - Panel - Wheelbase 116in.
1953 Chevrolet Truck H3 Suburban D 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 116in.
1953 Chevrolet Truck H3 Suburban D 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/Doors - Wheelbase 116in.
1953 Chevrolet Truck H3 Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1953 Chevrolet Truck H3 Suburban G 1/2T 3100 Commercial - 1/2 Ton - Suburban Carryall W/End Gate - Wheelbase 116in.
1954 Chevrolet Truck H4 1/2T 3100 Commercial-1/2 Ton-2 Stake Pockets
1954 Chevrolet Truck H4 1/2T 3100 Commercial-1/2 Ton-2 Stake Pockets
1954 Chevrolet Truck H4 Panel 1/2T 3100 Commercial-1/2 Ton-Panel
1954 Chevrolet Truck H4 Panel 1/2T 3100 Commercial-1/2 Ton-Panel
1954 Chevrolet Truck H4 Suburban D 1/2T 3100 Commercial-1/2 Ton-Suburban Carryall W/Doors
1954 Chevrolet Truck H4 Suburban D 1/2T 3100 Commercial-1/2 Ton-Suburban Carryall W/Doors
1954 Chevrolet Truck H4 Suburban G 1/2T 3100 Commercial-1/2 Ton-Suburban Carryall W/End Gate
1954 Chevrolet Truck H4 Suburban G 1/2T 3100 Commercial-1/2 Ton-Suburban Carryall W/End Gate