GM-173

80-92 6 Cyl. 173 (2.8L) LocationMatQty. Oil Gallery 80-81 only CF 2 Oil Gallery PP 4 Oil Gallery CF 3 Oil Gallery PP 2 Oil Gallery PP 2 Block CB 6Read more

GM-350/3

92-96 8 Cyl. 265,267, 283, 302, 305, 307, 327, 350L. LocationMatQty. Oil Gallery CF 1 Oil Gallery CF 2 Oil Gallery PP 5 Camshaft CF 1 Block CB 8Read more

GM-350

68-85 8 Cyl. 265,267, 283, 302, 305, 307, 327, 350L. LocationMatQty. Oil Gallery CF 3 Oil Gallery PP 5 Camshaft CF 1 Block CB 8Read more

GM-350/2

86-98 8 Cyl. 265 (4.4) ,267, 283, 302, 305(5.0) 327, 350 (5.7) LocationMatQty. Oil Gallery CF 3 Oil Gallery PP 5 Camshaft CF 1 Block CB 8Read more

OL-260

75-82 8 Cyl. 260(4.3L) LocationMatQty. Oil Gallery CF 1 Oil Gallery PP 4 Camshaft CF 1 Block CB 6Read more

GM-231/2

85-95 6 Cyl. 181(3.0L), 196, 231(3.8L), 252(4.1L) LocationMatQty. Oil Gallery PP 2 Oil Gallery CF 2 Camshaft 85 & up CF 1 Block (rear) CB 4 Block (side) CB 4Read more

GM-231

76-84 6 Cyl. 181(3.0L), 196, 231(3.8L), 252(4.1L) LocationMatQty. Oil Gallery PP 2 Oil Gallery CF 2 Camshaft to 84 CF 1 Block (rear) CB 4 Block (side) CB 4Read more

GM-350D

64-92 8 Cyl. 307Y, 350B,N,R(5.7L) exc. 1975, 425, 455 LocationMatQty. Oil Gallery CF 1 Oil Gallery PP 2 Oil Gallery CF 1 Cylinder Head CB 4 Camshaft CF 1 Block CB 6Read more

OL-181

75-95 6 Cyl. 181, 196, 231 (3.8L), 252(4.1L) LocationMatQty. Oil Gallery CF 2 Oil Gallery PP 2 Cylinder Head CB 4 Camshaft to 84 only CF 1 Camshaft 85 & up (3.8L only) CF 1 Block(0.060"O/S) CB A/R Block(0.060"O/S) CB A/R Block CB 4 Block CB 4Read more

GM-191

89-96 6 Cyl. 191 (3.1L) LocationMatQty. Oil Gallery PP 3 Oil Gallery PP 2 Lifter Valley PP 2 Lifter Valley PP 4 Cylinder Head CB 2 Block CB 6Read more