Part #:

AMS-EVOX-SP

Retail Price:

$841.57

Our Price:

$647.36

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23%

 

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The AMS Spec. EVO X Stock Replacement Pistons are not your ordinary replacement pistons. These specially built heavy-duty pistons are designed to perform flawlessly under the extreme heat and PRESSURE associated with turbocharged engines. Ideal for both street and serious competition, these pistons are loaded with extra features. Annular pin hole grooves with double forced oil holes prevent pinhole galling. Teflon coated skirts reduce friction and prevent scuffing.  Extra thick ring lands provide superior ring groove support under extreme pressure by intersecting the ring groove and the pinhole. Finally a 4340 taper bore, hard-chromed extra heavy duty pins and high performance piston rings finish the package.  

These stock replacement pistons are stock bore size, retain the factory compression ratio of 9:1 and will even work with factory connecting rods without any additional machine work.

Features:

    * Annular pin hole grooves with double forced oil holes
    * Teflon coated skirts to reduce friction and prevent scuffing
    * Extra thick lands for superior ring groove support

Fits: EVO X/Ralliart