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phone: 270-618-5200
Piston Chart
HP Year Original
Bore Size
Size Part # Bore
Size
85 HP
90 HP
1984-1989
1990
3.312 0.020
0.030
0.040
3129P2
3129P3
3129P4
3.332
3.342
3.352
70-90 HP 1990-1995 3.375 0.020
0.030
3151P2
3151P3
3.395
3.405
75-90 HP 1996-1999 3.375 0.020
0.030
0.040
3164P2
3164P3
3164P4
3.395
3.405
3.415
125 HP 1985-1999 3.312 0.020
0.030
0.040
3129P2
3129P3
3129P4
3.332
3.342
3.352
120 HP 1990-1995 3.375 0.020
0.030
3151P2
3151P3
3.395
3.405
120 HP 1996-1999 3.375 0.020
0.030
0.040
3164P2
3164P3
3164P4
3.395
3.405
3.415
150 HP 1989-1990 3.312 0.020
0.030
0.040
3129P2
3129P3
3129P4
3.332
3.342
3.352
150 HP 1990-1994 3.375 0.020
0.030
3151P2
3151P3
3.395
3.405

 

 

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