—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bo
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Notes: 1975: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1976: GM 12 Bolt Truck; 4.56 Ratio · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1978: GM 12 Bolt Truck; 4.56 Ratio · 1979: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1980: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1981: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1982: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1983: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1984: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1985: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1986: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
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Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier
—
Notes: 1975: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1976: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1978: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1979: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1980: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1981: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1982: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1983: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1984: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: 1975: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: 1975: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1977: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier · 1978: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bo
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1977: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier · 1978: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: 1975: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1979: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1980: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1981: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; 4.56 Ratio · 1977: GM 12 Bolt Truck; 4.56 Ratio · 1978: GM 12 Bolt Truck; 4.56 Ratio · 1979: GM 12 Bolt Truck; 4.56 Ratio · 1980: GM 12 Bolt Truck; 4.56 Ratio · 1981: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1982: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1983: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1984: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1985: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1986: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1977: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1978: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1979: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1980: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1981: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1982: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1983: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1984: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bo
—
Notes: 1975: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1979: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R · 1980: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier 4.56 R
—
Notes: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio · 1976: GM 12 Bolt Truck; 4.56 Ratio · 1977: GM 12 Bolt Truck; 4.56 Ratio · 1978: GM 12 Bolt Truck; 4.56 Ratio · 1979: GM 12 Bolt Truck; 4.56 Ratio · 1980: GM 12 Bolt Truck; 4.56 Ratio · 1981: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier
—
Notes: 1975: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1976: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1977: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1978: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1979: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1980: GM 12 Bolt Truck; 4.56 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1981: GM 12 Bolt Truck; Ring and Pinion Set; 4.56 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 4.56 Ratio
- + 203 additional fitments not shown
