Vehicle Fitment
| Make | Model | Year |
|---|---|---|
| Ford | F500 | 1975-1976 |
| M-400 | 1971-1973 |
Product Details
Piston (381NP30) by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.
Specifications
| Bore: 4.0500" |
| Bore: 101.6000 mm |
| Compression Distance: 1.660 |
| Head Illustration: 31 |
| Minimum Clearance: 0.0015 @ 2.630 from top of head |
| Oversize: 0.030" |
| Part Material: Cast |
| Pin Diameter: 0.9753" |
| Pin Diameter: 24.773 mm |
| Ring 1 Qty: 1 |
| Ring 1 Width: 5/64 |
| Ring 2 Qty: 1 |
| Ring 2 Width: 3/32 |
| Ring 3 Qty: 1 |
| Ring 3 Width: 3/16 |
Features
- Helps improve cylinder sealing for less blow-by
- Retains standard ring gaps in top groove
- DUROSHIELD skirt-coated piston
- Moly-graphite coating extends engine life
- Reduces friction for higher fuel economy
- Prevets damage from inadequate lubrication on start-up
- ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds
- Cast with FM413 Eutectic aluminum with 12% silicon for strength and durability
- Up-tilt ring grooves improve piston to ring sealing & providing great blow-by control
Sealed Power® engine products are a complete system of application-engineered internal replacement components, including pistons, piston rings, engine bearings, camshafts, oil pumps, timing components and valvetrain products. These proven replacement parts are the result of nonstop product development efforts, dedicated to putting only the absolute best on the street.
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Questions and Answers
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