Piston/Pin/Ring Specifications
PISTONS, PINS & RINGS SPECIFICATIONS
| Application |
In. (mm) |
| Pistons |
| Clearance |
| 5.0L |
.0014-.0022 (.036-.056) |
| 5.0L HO |
.003-.004 (.08-.10) |
| 5.8L |
.0018-.0026 (.046-.066) |
| Diameter 5.0L |
| Red Piston |
3.9989-3.9995 (101.572-101.587) |
| Blue Piston |
4.0001-4.0007 (101.603-101.618) |
| Yellow Piston |
4.0013-4.0019 (101.633-101.649) |
| Diameter 5.0L HO |
| Red Piston |
3.9972-3.9980 (101.529-101.549) |
| Blue Piston |
3.9984-3.9992 (101.559-101.580) |
| Yellow Piston |
3.9996-4.0004 (101.590-101.610) |
| Diameter 5.8L |
| Red Piston |
3.9978-3.9984 (101.544-101.560) |
| Blue Piston |
3.9990-3.9996 (101.574-101.590) |
| Yellow Piston |
4.0002-4.0008 (101.605-101.620) |
| Pins |
| Diameter |
.912 (23.17) |
| Length |
3.01-3.04 (76.45-77.21) |
| Piston Fit |
| 5.0L & HO |
.0002-.0004 (.005-.010) |
| 5.8L |
.0003-.0005 (.008-.013) |
| Rod Fit |
Press Fit |
| Rings |
| No. 1 & 2 |
| End Gap |
.010-.020 (.25-.51) |
| Side Clearance |
.002-.004 (.05-.10) |
| No. 3 (Oil) |
| End Gap |
.015-.055 (.38-1.40) |
| Side Clearance |
Snug Fit |