Spicer Front and Rear Axle Catalog - Manual (Page 148)

X510-9
(7) See Ring Gear & Pinion Kits in XGI Catalog for ratio & tooth combinations.
(8) See Differential Case Assy Kits in XGI Catalog for spline data & ratios.
Axle Axle Kits Shaft & Joint Assy.
Differential
Bill of
Material
Diff.
Type
Ratio
Ring Gear &
Pinion Kit (7) Case Assy.
Kit (8)
Case Kit
Inner Parts
Kit
Right Hand
Shaft Assy.
Left Hand
Shaft Assy.
142
Bill of Material Table
1968-69 C10 Station Wagon w/ Leaf Springs
603006-1 Standard 3.54 706660-1X 26167X 706668X 706671X 26170X 26171X
603006-2 Powr-Lok 3.54 706660-1X 25370X 706174X 706176X 26170X 26171X
1970 C10 Station Wagon w/ Leaf Springs
603145-1 Standard 3.54 706660-1X 26167X 706668X 706671X 26170X 26171X
603145-2 Powr-Lok 3.54 706660-1X 25370X 706174X 706176X 26170X 26171X
1968 C10 Truck Chassis w/ Coil Springs
602994-1 Standard 3.54 706660-1X 26167X 706668X 706671X 26170X 26171X
602994-2 Powr-Lok 3.54 706660-1X 25370X 706174X 706176X 26170X 26171X
1969 C10 Truck Chassis w/ Coil Springs
603050-1 Standard 3.54 706660-1X 26167X 706668X 706671X 26170X 26171X
603050-2 Powr-Lok 3.54 706660-1X 25370X 706174X 706176X 26170X 26171X
1970 C10 Truck Chassis w/ Coil Springs
603146-1 Standard 3.54 706660-1X 26167X 706668X 706671X 26170X 26171X
603146-2 Powr-Lok 3.54 706660-1X 25370X 706174X 706176X 26170X 26171X
1968 C15
602926-6 Standard 3.54 706660-1X 26167X 706668X 706671X 23243X 23244X
602926-7 Powr-Lok 3.54 706660-1X 25370X 706174X 706176X 23243X 23244X
1968 C20 Truck Chassis w/ Leaf Springs
602927-11 Standard 4.10 706660-3X 706664X 706668X 706671X 34551-3 34551-3
602927-12 Powr-Lok 4.10 706660-3X 706172X 706174X 706176X 34551-3 34551-3
602927-13 Standard 4.56 706660-4X 706665X 706669X 706671X 34551-3 34551-3
602927-14 Powr-Lok 4.56 706660-4X 706173X 706175X 706176X 34551-3 34551-3
602927-15 Standard 3.54 706660-1X 706664X 706668X 706671X 34551-3 34551-3
602927-16 Powr-Lok 3.54 706660-1X 706172X 706174X 706176X 34551-3 34551-3
602927-17 Standard 3.73 706660-2X 706664X 706668X 706671X 34551-3 34551-3
602927-18 Powr-Lok 3.73 706660-2X 706172X 706174X 706176X 34551-3 34551-3
1969-70 C20 Truck Chassis w/ Leaf Springs
603067-1 Standard 4.10 706660-3X 706664X 706668X 706671X 31494-1 31494-1
603067-2 Powr-Lok 4.10 706660-3X 706172X 706174X 706176X 31494-1 31494-1
603067-3 Standard 4.56 706660-4X 706665X 706669X 706671X 31494-1 31494-1
603067-4 Powr-Lok 4.56 706660-4X 706173X 706175X 706176X 31494-1 31494-1
603067-5 Standard 3.54 706660-1X 706664X 706668X 706671X 31494-1 31494-1
603067-6 Powr-Lok 3.54 706660-1X 706172X 706174X 706176X 31494-1 31494-1
602927-7 Standard 3.73 706660-2X 706664X 706668X 706671X 31494-1 31494-1
602927-8 Powr-Lok 3.73 706660-2X 706172X 706174X 706176X 31494-1 31494-1
1971 C20 Truck Chassis w/ Leaf Springs
603208-1 Standard 4.10 706660-3X 706664X 706668X 706671X 31494-1 31494-1
603208-2 Powr-Lok 4.10 706660-3X 706172X 706174X 706176X 31494-1 31494-1
603208-3 Standard 4.56 706660-4X 706665X 706669X 706671X 31494-1 31494-1
603208-4 Powr-Lok 4.56 706660-4X 706173X 706175X 706176X 31494-1 31494-1
603208-5 Standard 3.54 706660-1X 706664X 706668X 706671X 31494-1 31494-1
603208-6 Powr-Lok 3.54 706660-1X 706172X 706174X 706176X 31494-1 31494-1
GMC / Chevrolet Model 60 Rear Axles