| Used Piston Clearance (41 mm From Top Of Piston) | 0.0020 - 0.0036 Inch (in) |
| New Piston Clearance (41 mm From Top Of Piston) | 0.0004 - 0.0020 Inch (in) |
| Piston Ring Groove Depth, Top Compression | 0.158 - 0.163 Inch (in) |
| Piston Ring Groove Depth, 2nd Compression | 0.0166 - 0.171 Inch (in) |
| Piston Ring Groove Depth, Oil Control | 0.150 - 0.155 Inch (in) |
Piston Dimensions and Clearances
Need a step-by-step guide?
Get an AI-powered repair guide with parts lists, cost estimates, and clear instructions for your 1999 Buick.