HKS PISTON KIT L15A/LEA D73 for HONDA CR-Z (2011-2016)

SKU: 21003-AH001
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To improve the performance of the CR-Z using the factory connecting rods, the durability of the factory parts restricts the improvement. Using this Piston Kit and Connecting Rod Set with the HKS GTS7040 Set-up Kit can increase the maximum engine output to 300ps and the maximum torque to 36 kgf?m; the CR-Z can be high performance hybrid sports car.

Factory replacement & standard bore size piston kit.
Billet pistons are made from the 80mm-L60mm Aluminum rod material.
Honda factory piston pins (18mm Semifloating pins) are required.
Honda factory piston rings are required.
The compression ratio when using the pistons with HKS Head Gasket is as follows:
HKS Head Gasket t=0.8mm Gasket Bore: 75.0mm 8.7
HKS Head Gasket t=1.2mm Gasket Bore: 75.0mm 8.4

Semifloating pins on the connecting rod small end.
The durability is improved by 186% comparing to the factory's durability with the 158.8(mm2) minimum cross-sectional area of the rod.
The M8x1.0 sized connecting rod bolts are used for better rigidity.
* In-house test at 336PS/43.78kgf?m confirmed the durability and safety (including the Supercharger drive loss).