—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
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Notes: 1979: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1980: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1981: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1982: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1983: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1984: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1985: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1986: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier
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Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1979: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R · 1980: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1981: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R · 1982: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R · 1983: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R · 1984: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R · 1985: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R · 1986: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R
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Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1979: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1980: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1981: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1982: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier
—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1977: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R · 1978: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R
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Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1977: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1978: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier
—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1977: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R · 1978: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
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Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
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Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
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Notes: 1968: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1969: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1972: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1973: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1974: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
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Notes: 1968: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1969: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1972: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1973: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1974: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
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Notes: 1968: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1969: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1970: GM 12 Bolt Truck; 3.73 Ratio 8.875 in. 12 Bolt; 3.73 Ratio · 1971: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1972: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1973: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1974: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
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Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
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Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R
—
Notes: 1979: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1980: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1981: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1982: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1983: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1984: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1985: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1986: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1987: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
—
Notes: 1983: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1984: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R
—
Notes: 1979: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1980: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1981: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1982: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1983: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo · 1984: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1985: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1986: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1987: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bo
—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier 3.73 R
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
—
Notes: 1975: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1976: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier · 1977: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12 · 1978: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier
—
Notes: GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 and Up Carrier GM 12
—
Notes: 1975: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio · 1976: GM 12 Bolt Truck; 3.73 Ratio · 1977: GM 12 Bolt Truck; 3.73 Ratio · 1978: GM 12 Bolt Truck; 3.73 Ratio
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: 1968: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1969: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1971: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1972: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1973: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1974: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
—
Notes: 1968: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1969: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1971: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1972: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1973: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1974: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
—
Notes: 1968: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1969: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1970: GM 12 Bolt Truck; 3.73 Ratio 8.875 in. 12 Bolt; 3.73 Ratio · 1971: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1972: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1973: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo · 1974: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio~GM 12 Bo
—
Notes: GM 12 Bolt Truck; Ring and Pinion Set; 3.73 Ratio; Fits 4 series 3.73 & Up Carrier GM 12 Bolt Truck; 3.73 Ratio
- + 203 additional fitments not shown
