![Enginetech P1520(6) | Set of 6 Dish Top Pistons (D Shaped) for 66-84 GM/Chevrolet 4.1L/250 Enginetech P1520(6) | Set of 6 Dish Top Pistons (D Shaped) for 66-84 GM/Chevrolet 4.1L/250](https://cdn11.bigcommerce.com/s-hsm1nftcde/images/stencil/500x500/products/4003/39112/p1520_1_2__04719.1715307328.jpg?c=1)
![Enginetech P1520(6) | Set of 6 Dish Top Pistons (D Shaped) for 66-84 GM/Chevrolet 4.1L/250 Enginetech P1520(6) | Set of 6 Dish Top Pistons (D Shaped) for 66-84 GM/Chevrolet 4.1L/250](https://cdn11.bigcommerce.com/s-hsm1nftcde/images/stencil/500x500/products/4003/39113/p1520_2_2__18579.1715307328.jpg?c=1)
Enginetech P1520(6) | Set of 6 Dish Top Pistons (D Shaped) for 66-84 GM/Chevrolet 4.1L/250
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Category | Make | Model | User Engine | Year Range | Notes |
---|---|---|---|---|---|
Car | GM | 4.1L / 250 OHV L6 12V Chev. 3.875" Bore | 66-79 | "D" shaped dish top. 1.640" CH. Use R38856 or C38856 rings. | |
TRUCK, VAN, SUV | GM, CHEVROLET | 4.1L / 250 OHV L6 12V Chev. 3.875" Bore | 68-84 | "D" shaped dish top. 1.640" CH. Ex. LPG engines. Use R38856 or C38856 rings. |
Attribute | Value |
---|---|
Top Ring Size | 5/64 |
Second Ring Size | 5/64 |
Oil Ring Size | 3/16 |
Pin Diameter | 0.9273 |
Bore Diameter (At Standard) | 3.875in / 98.43mm |
Alloy | Standard |
Clearance | 0.0017 |
Compression Height | 1.640 |
Crown | 36 |
Measuring Height | 1.000 |
Nominal Compression Ratio | 8.5:1 |
Pin Type | P |
Recess Depth | 0.060 |