Manley Platinum Series Pistons

Product images may differ from actual product appearance.
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The Manley Platinum Series Pistons are constructed from a 2618 high strength material and feature a hollow dome for a lightweight design. They are great for drag race applications. The Platinum Series also feature exact ring groove to skirt squareness and a full banded skirt design for increased skirt stability.
| Compression Ratio Chart |
| Bore |
Stroke |
112cc |
118cc |
124cc |
4.500" |
4.250" |
15.2:1 |
14.2:1 |
13.3:1 |
4.530" |
4.250" |
15.4:1 |
14.4:1 |
13.5:1 |
4.560" |
4.250" |
15.6:1 |
14.6:1 |
13.6:1 |
| 4.600" |
4.250" |
15.8:1 |
14.8:1 |
13.8:1 |
| Features and Specs |
| Top Ring: |
1/16", .300" down |
| Second Ring: |
1/16" |
| Oil Ring: |
3/16" |
| Intake Valve Notch: |
.300" |
| Exhaust Valve: |
+.090" |
| Pin Included: |
Tool Steel, .150" Wall, 147 grams, 2.930" Long, .990" Dia. |
Spiral Locks: |
.042" Wide (4/piston) |
| Recommended Piston Clearance: |
.006" measured 1.100" from bottom of the oil ring |
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