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Crankshaft Pulley "Underdrive" for Z20LET / Z20LEx (120mm)

Crankshaft pulley, CNC manufactured from high-impact billet aluminium to replace the heavyweight OEM item.
Weighing less than 500 g (in contrast to more than 1600 g of the OEM steel pulley), it saves you approx 1150 g rotating masses.

Due to this, spontanity and agility of your engine are significantly improved.
Due to it's smaller diamter (120 mm instead of 146 mm OEM diameter), rotation speeds of generator and A/C compressor (if existing) are also reduced, which will result in a small gain of engine power as an additional advantage.

Important:
Due to the smaller pulley-diameter, this pulley needs to be fitted with a belt which is 40 mm shorter than OEM.
Since OEM belts in different lengths are used, we do not include the belt. Please purchase a belt that matches the specifications of your car seperately.

Remark regarding combination with our "Shortbelt-Kit":
Installing the pulley at the same time, you install our "Shortbelt-Kit" will save you some labour, since the modification of the oil filter base (normally necessary during fitment of the "Shortbelt-Kit" is then usually unnecessary.
Order both items at the same time to receive the "Shortbelt-Kit" incl. the belt that matches with this pulley.

Scope of supply:

  • Alloy-Pulley
  • 4 matching bolts for fitting

 

Compatible with:
All cars equipped with Z20LET / Z20LEL / Z20LER / Z20LEH Engne.

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