MX-5 Mahle Turbo Piston for BP Engine

MAR11011920
1049,95 €
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Delivery time: 3 up to 6 days to Germany
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  • Mazda MX-5 MK1 1,8 Ltr. , MK2 / MK2,5 1,8 Ltr. BP Engine , 1998 - 2005
  • Item weight: 2kg
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The machine used for machining has been developed by Mahle and the same machining is not being used by other companies.
Mahlefs forged piston is special with a very refined shape.
If you take a look at the piston pinfs surrounding, the thickness of the skirtfs back side, the back side of the piston top (roof) etc. you can easily see the refined design.
The feature of Mahlefs piston is its extremely light and compact design.
The characteristic outside appearance is the slipper skirt design.
The slipper skirt has been used for the first time by Mahle. It contributes a lot to weight reduction.
Even these daysf Japanese genuine pistons use a short skirt in the case of a high performance engine, but the fusion of Mahlefs technique of appropriate profile, very good machining accuracy, original coating is summarized in these daysf piston.

The earlier piston used to be high compression type, in other words 85.5mm. However, considering the blockfs hardness it has been re-set to 85.0mm.
The cylinder capacity is 1928cc.
It is only 0.5mm less, but the thickness between the block and bore grows with 1.0mm and it becomes harder.

The piston top is dish type-4cc and the compression ratio is 9.0. The compression ratio of the old type turbo engine was 8.0, but in the recent years the priority is a low speed torque supercharger.

Even Maruhas super charger systems development is progressing and that's why we too set the compression ratio to 9.0.

The standard pin diameter is 20.0 mm.
We have changed it to 22.0mm. It is only a difference of 2.0mm, but the size grows with 10%.
The bending strength reaches a progress of 30%.

The turbo piston for BP used up till now, even in the case of maker genuine ones (for Mazda 323 and for BP turbo) was 20.0mm. However, with the premise of 83mm bore, the power announced by the maker doesnft go above 180PS.

The later supercharged engine, even in the case of BP, can reach an output of over 400PS.
At Maruha we set our goal to 250-300PS.
Of course, some reinforcement is necessary. One of it is the pinfs diameter.

Because of the pins diameters change, neither a genuine conrod or an equal sized conrod can be used at the same time.
Please use our companyfs conrod.

In the case of the BP turbo piston pin DLC coating is being applied.
DLC means DIAMOND LIKE CARBON, in other words a diamond-like hard carbon film.
Which means that the film is very hard and thick, and the goal is a decreased sliding friction.

The thickness of the film is on a nano-level, and so it does not affect the accurate clearance.

In the industry DLC coating has been used in the case of many parts. However, we at Maruha use it for the BP turbo pistonfs pin.

The worldfs leader piston manufacturer, Mahle has got an established reputation with its peculiar shape.
The slipper skirt is Mahlefs product and on the skirt part black grafal coating is used.

The grafal coating's thickness is like a cushion, it reduces the slap sound that arises during the continuous contact of the piston and the cylinder and reduces the piston's resistance.
It is not a simplified spray coating but a secure coating carried out by manufacturing process, thatfs why it cannot wear out easily.

We use Aluminum 4032.
It contains lots of silicone and its thermal expansion is low.
This is the reason why compared to the aluminum forged pistons the piston clearance is more accurate.
If the clearance is done properly, the tap tone doesnft arise and it becomes possible to construct a silent engine with controlled oil and fuel consumption.