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1.6L 16v - TU5J4 TU5JP4
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1.6L 16v - TU5J4 TU5JP4
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Forged TU5J4/TU5JP4 pistons for motorsport <1400cc conversions (reliner). Pin 18 mm, O 76/78, Compression ratio 12:1, CH ~28.5 mm. NFX/NFU compatibility. Road/track preparation.
Forged pistons for FFSA conversions < 1400 cm3 PSA 1.6 16v TU5J4 / TU5JP4 engines (reliner, 18 mm axle)
Objective:
reduce the bore of the TU5J4/TU5JP4 by re-lining to aim for a cylinder capacity < 1400 cm3 according to FFSA categories. See calculation note below.
| Reference(Click) | Bore | VR | Pin | Axis Height | Range | Treatment | Aluminum | Forging | Dome | Weight | Segments |
|---|---|---|---|---|---|---|---|---|---|---|---|
| K1340D250 | 76 | 12:1 | 18 | 28.5 | Wossner | N/A | N/A | N/A | 7.0 | N/A | 760XDS |
| K1480D050 | 78 | 12:1 | 18 | 28.4 | Wossner | N/A | N/A | N/A | 10.8 | N/A | 780XDS |
FFSA displacement calculation note (4 cyl.):
Displacement = (?/4) x Bore2 x Stroke x 4.
Original TU5 stroke: 82.0 mm. To be < 1400 cm3, do you need a bore 73.5mm with the original race.
Examples (stroke 82.0): O78.0 ~1567 cm3; O76.0 ~1488 cm3 (still > 1400).
Optional: with stroke reduced to 77.0 mm, O76.0 ~1397 cm3.
Practical consequence: these "axis 18" pistons are suitable for re-lined assembly and either to a specific crankshaft/stroke, or to a final bore 73.5mm (dedicated pistons not listed here).
Provide 18 mm connecting rods/small heads (or rings) and check compression heights.
Compatibilities (engine codes):
TU5J4 factory code NFX (1.6 16v 120 hp).
TU5JP4 factory code NFU (1.6 16v 109.110 hp).
Intended use : re-lined competition preparations < 1400 cm3 (according to FFSA regulations).
Original vehicles equipped with TU5J4 / TU5JP4 engines:
| Brand | Model | Engine Code | Power | Years |
|---|---|---|---|---|
| Citroen | Sax VTS (S0/S1) | TU5J4 (NFX) | 120 hp | 1996 2003 |
| Peugeot | 106 II GTi/S16 | TU5J4 (NFX) | 120 hp | 1996 2003 |
| Citroen | C2 (JM_) 1.6 16V | TU5JP4 (NFU) | 109 hp | 2003 2010 |
| Citroen | C3 I (FC/FN) 1.6 16V | TU5JP4 (NFU) | 109.110 hp | 2002 2010 |
| Citroen | C3 Plural (HB) 1.6 | TU5JP4 (NFU) | 109 hp | 2003 2010 |
| Citroen | C4 I (LC_/LA_) 1.6 16V | TU5JP4 (NFU) | 109 hp | 2004 2011 |
| Citroen | Xsara / Xsara Picasso 1.6 16V | TU5JP4 (NFU) | 109.110 hp | 2000 2011 |
| Peugeot | 206 / 206 CC / 206 SW 1.6 16V | TU5JP4 (NFU) | 107.110 hp | 2000 2009 |
| Peugeot | 307 / 307 SW / 307 CC 1.6 16V | TU5JP4 (NFU) | 109.110 hp | 2000 2009 |
| Peugeot | 1007 1.6 16V | TU5JP4 (NFU) | 109 hp | 2005 2009 |
| Peugeot | Partner / Partner Tepee 1.6 16V | TU5JP4 (NFU) | 109.110 hp | 2001 2015 |
| Peugeot | 308 I 1.6 BioFlex (markets) | TU5JP4 (NFU) | 109 hp | 2008 2014 |
Piston manufacturer references (OEM):
PSA TU5J4 / TU5JP4: OEM references variable according to VIN (selection & premium). For original O78.50 mm pistons only, consult
Peugeot/Citroen Service Box, group 01 11. Competition references <1400 cm3 resulting from relining are not manufacturer parts.
Warning:
before any assembly, please check the integrity and conformity of each component of the piston kit as well as the conformity of the assembly in the engine; any possible warranty is strictly limited to the parts of the piston kit only.
