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Peugeot 106 - Cat Cams 1321708 / 1321743 fast road camshafts - GTI

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Cat Cams - 1321743   +£233.33 (+£280.00 Incl. Tax)

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The Cat Cams 1321743 catcams is the next evolution on design of the popular 1321708 camshaft. It is the most extreme profile you can use with the standard Peugeot 106 GTI valve springs and does not require modifying of the head. These camshafts can be used on a standard ECU map but some cars do not idle well. This is due to the idle control needing to be altered. With a remap cars with these fitted regularly get over 145bhp. Two camshafts supplied in the set.

Please note: 1321708 has now been discontinued. All new orders will receive the part number which supersedes the old camshaft profile. The 1321743's are a new cam profile which gives 4 bhp gain vs the 1321708 and around 20-25 bhp gain over the standard Peugeot 106 camshafts. You can get significant further increases in power by fitting a high performance exhaust system and Satchell throttlebodies for the ultimate normally aspirated road engine without altering engine internals.

  • The CatCams 1321743 camshafts give 3 bhp peak gain and extra 2 ft lb of torque vs the 1321708 cams
  • Made from high quality blanks manufacturered only for Catcams
  • Proven performance gains

The Cat Cams 1321743 camshaft set was released for 2012 and was a new design to replace the 1321708 as Cat Cams camshaft designs have improved through the years. The 1321743 camshaft set is for fast road and track day use and is a direct replacement for the standard camshafts from the Peugeot 106 GTi 1.6 16v using the standard timing (on cars running standard induction).

These Catcams 1321743 camshafts improve the power across the whole rev range, with a 3 bhp peak gain and extra 2 ft lb of torque vs the 1321708 cams.

Fitting the Cat Cams 1321743 camshafts is straightforward for the Peugeot 106 GTi. OE followers, retainers and valve springs can be retained as well as the standard inlet manifold. We recommend changing the camshaft oil seals and an ECU remap to ensure correct fuelling & ignition timing, produce a good idle and pass emissions at MOT time. The Cat Cams 1321743 camshaft set is the limit in profile before additional head work is needed but you must rotate the inlet and exhaust camshafts by hand to make sure the head casting does not foul the camshaft movement. We have seen a couple of Peugeot 106 GTI's that required slight headwork where some grinding was required to accomodate the new cams. This however has been extremely rare.

See the table below for the complete range of Cat Cams camshaft profiles for the Peugeot 106 GTI 16v TU5J4 engine. Please click on the Cat Cams part code to purchase these alternatives.

  duration duration maximum lift lift at TDC parts application
  [0.1mm+cl] [1.0mm+cl] [cl=0] [cl=0] [-] (TURBO)
1321705 261 / 261° 223 / 223° 9.35 / 9.35mm 1.20 / 1.10mm O.E.M. HYDR: sport
1321718 259 / 259° 226 / 226° 8.70 / 8.70mm 1.25 / 1.25mm O.E.M. HYDR: sport
1321708 256 / 256° 230 / 230° 10.00 / 10.00mm 1.55 / 2.00mm O.E.M. HYDR: sport
1321743 256°/256° 230° / 230° 10.00 / 10.00mm - / -mm custom HYDR: sport
1321735 256 / 247° 230 / 212° 10.00 / 8.70mm 1.55 / 0.40mm O.E.M. HYDR: sport
1321714 272 / 272° 235 / 235° 8.90 / 8.90mm 1.75 / 1.75mm O.E.M. HYDR: rally & race
1321715 281 / 281° 243 / 243° 8.90 / 8.90mm 2.10 / 2.15mm O.E.M. HYDR: rally & race
1321719 247 / 247° 212 / 212° 8.70 / 8.70mm 0.65 / 0.65mm O.E.M. HYDR: F.I.A.
1321703 264 / 264° 217 / 217° 8.85 / 8.85mm 0.90 / 0.90mm O.E.M. HYDR: F.I.A.
1321734 274 / 266° 246 / 238° 10.90 / 10.45mm 2.70 / 2.25mm custom HYDR: rally & race
1321869 273 / 256° 242 / 224° 11.05 / 9.80mm 2.95 / 0.95mm custom MECH: rally & race
1321850 273 / 273° 242 / 242° 11.05 / 11.05mm 3.05 / 3.05mm custom MECH: rally & race
1321868 282 / 273° 253 / 242° 11.75 / 11.05mm 3.75 / 3.05mm custom MECH: rally & race
1321867 297 / 282° 266 / 253° 12.55 / 11.75mm 4.50 / 3.70mm custom MECH: rally & race
1321856 297 / 297° 266 / 266° 12.55 / 12.55mm 4.50 / 4.45mm custom MECH: rally & race
1321802 300 / 300° 264 / 264° 12.95 / 12.95mm 4.60 / 4.55mm custom MECH: rally & race
1321816 300 / 291° 274 / 266° 13.00 / 12.50mm 4.95 / 4.45mm custom MECH: rally & race

Additional Information

Manufacturer CatCams
Car Model 106 Gti, S16
Year of Manufacture 96 - 04
Engine Code TU5P4
Camshaft 1321743
Application Hydraulic: Sport Camshaft
Engine Capacity 1587cc
Valve Train INTAKE 10.00mm , EXHAUST 10.00mm
Duration [0.1mm+cl] INTAKE 256° , EXHAUST 256°
Duration [1.0mm + cl] INTAKE 230° , EXHAUST 230°
Clearance [cl] INTAKE 0.00mm , EXHAUST 0.00mm
Peak Angle INTAKE 110° , EXHAUST 106°
Followers OEM
Retainers OEM
Springs OEM
ECU ECU Remap or Standalone
Valve Lift [cl=0] INTAKE 1.55mm , EXHAUST 2.00mm
Timing [1.0mm + cl] INTAKE 5/45° , EXHAUST 41/ 9°

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Great Review by Damien
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Arrived in time to fit at the weekend perfect service very pleased. (Posted on 1 February 2011)
Quick Delivery Review by Marco G
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Ordered these at 4pm thursday and received them at my work by 11 ready for me to fit at the weekend.. Top work guys!! (Posted on 22 November 2010)

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