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Piston Liner Set 2000 84.0mm 10:1 Motronic Style 105/115/116 2.0 Engines
[PL84-10.1]
$645.00 $575.00

MAKES MORE POWER THAN BORGO 10.4 PISTONS for STREET PERFORMANCE ONLY*

Fits all 2.0 105/115 engines.  It has been established that "Motronic" Pistons make more horsepower because of the flat top dome. The obsolete conical dome spreads the combustion chamber mixture over a wider area. The flame front does not reach the circumference at high RPM.  The flat top design with wide shoulders gathers the charge under the spark plug for more complete combustion.   Because of this feature, the Motronic 10:1 pistons make more power than the conical dome 10.4:1 compression Borgo pistons.

Set includes pistons, OEM rings, pins and wire locks.

    Upgrades  (Specify upgrades in "Customer Comments" box, when ordering online.) 

  • Total Seal three piece oil ring sets (4) add $59.   The one piece cast OEM oil ring that can cause premature oil burning.
  • Total Seal full set of conventional rings.  Add $99.50.

*WARNING!!  Gotta remember that all OEM style pistons are cast, not forged and not balanced to race specs.    High performance engines with cast pistons are at risk for failures from high RPM and detonation, depending on compression, fuel, timing, etc.

CUSTOMER COMMENTARY

Paul,

I got a very interesting email from XXXXX.  His XXXXX Alfa....is a very fast  club racecar.  He ....mentioned that Motronic pistons made good power, but had a problem with ring lands breaking.  So, putting two and two together, it looks like ....we should be using your forged JE pistons.

Regards, Ralph

           

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Spruell Motorsport Alfa is your source for performance parts for Alfa Romeo.
We specialize in Alfa Romeo 101, 105 and 115 drive train products for engine, gearbox, differential and wheels.
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