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Build a Higher Compression Duratec Engine with Supertech P4-DU8950-N2
Supertech P4-DU8950-N2 is a forged piston set for Ford Duratec 2.0L and 2.3L engines. Each piston has an 89.5 mm bore size, a 28.5 mm compression height, a 2 cc dome, and a stated 12:1 compression ratio. The set contains four pistons and does not include piston rings.
Key Features
- Supertech P4-DU8950-N2 forged piston set for Ford Duratec 2.0L and 2.3L engines
- Four piston set for a complete four cylinder application
- 89.5 mm bore size for the specified engine build
- 28.5 mm compression height for the specified Duratec combination
- 2 cc dome and stated 12:1 compression ratio
- Piston rings are excluded, so ring selection must be handled separately
- Engine builder measurement is required before final parts selection and assembly
Fitment
| Make | Engine Family | Displacement | Application Requirement |
|---|---|---|---|
| Ford | Duratec | 2.0L | Engine build using an 89.5 mm bore, 28.5 mm compression height, 2 cc dome, and stated 12:1 compression ratio |
| Ford | Duratec | 2.3L | Engine build using an 89.5 mm bore, 28.5 mm compression height, 2 cc dome, and stated 12:1 compression ratio |
Specifications
| Detail | Value |
|---|---|
| Manufacturer | Supertech |
| Manufacturer Part Number | P4-DU8950-N2 |
| Product Type | Forged piston set |
| Application | Ford Duratec 2.0L and 2.3L engines |
| Quantity | Four pistons |
| Bore Size | 89.5 mm |
| Compression Height | 28.5 mm |
| Dome Volume | 2 cc dome |
| Compression Ratio | 12:1 stated ratio |
| Piston Rings | Not included |
What's Included
- Four Supertech P4-DU8950-N2 forged pistons
About Supertech
Supertech develops forged engine components for performance and competition applications. This piston set is intended for an engine build where the bore size, compression height, dome volume, and compression ratio match the required combination.
FAQ
What is the P4-DU8950-N2?It is a Supertech forged piston set for Ford Duratec 2.0L and 2.3L engine applications.
Which engines use this piston set?The listed applications are Ford Duratec 2.0L and 2.3L engines.
How many pistons are in the set?Four pistons are included for a four cylinder engine build.
What is the bore size?The bore size is 89.5 mm.
What is the compression height?The compression height is 28.5 mm.
What compression ratio is stated?The stated compression ratio is 12:1 with a 2 cc dome.
Are piston rings included?No. Piston rings are excluded and must be selected separately for the finished engine build.
Can the set be installed without measuring the engine?No. Measure the actual cylinder bore, piston clearance, deck height, and related assembly dimensions before final installation.
Is this a complete engine rebuild kit?No. This package is a four piston set only. Other engine components and ring selection are separate.
What should be checked before ordering?Confirm the Ford Duratec displacement, bore size, compression height, dome volume, compression ratio, and ring requirements with the engine builder.
Installation Instructions
- Confirm the engine displacement and the required bore, compression height, dome volume, and compression ratio with the engine builder.
- Measure the machined cylinder bores and compare them with the selected 89.5 mm piston specification.
- Verify piston to wall clearance, deck height, valve clearance, and final compression calculations before assembly.
- Select compatible piston rings separately because rings are not included with this set.
- Check each piston and cylinder location, then confirm orientation according to the manufacturer and engine builder instructions.
- Install the pistons and selected rings using the engine builder's measured clearances and approved assembly tools.
- Rotate the assembled crankshaft by hand and verify that the pistons, valves, and surrounding components clear throughout travel.
- Complete break in and tuning according to the engine builder's procedure for the finished Duratec build.
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