ITALIANRP IRPPCD644 [SZM] BORE 95.53 [3.8LTR] STROKE: 88.40 PLATINUM PISTONS NISSAN GTR R35s

VR38DETT Engine Architecture | ItalianRP Platinum Series SZM-Spec Pistons

High-output VR38DETT engines frequently encounter ring land failure and skirt deformation when cylinder pressures exceed factory safety margins during high-boost applications. The ItalianRP IRPPCD644 SZM-Spec pistons are engineered to solve these structural bottlenecks by utilizing a proprietary high-silicon aluminum alloy that maintains superior dimensional stability at extreme thermal loads. This validated SZM-specific configuration addresses the mechanical problem of piston-slap and oil consumption by utilizing a high-precision 95.53mm bore size, providing a optimized clearance profile that ensures a perfect ring seal and maximum compression retention under $1,500$+ hp loads.

The Platinum Line features a high-precision bridged-box forging, which increases structural rigidity without a significant mass penalty, effectively reducing parasitic reciprocating weight. This architecture is validated for extreme RPM stability, preventing the crown deflection typical of lesser forged components. By incorporating a specialized skirt coating and an optimized crown design for enhanced flame propagation, these pistons provide a high-precision solution for professional engine builders seeking to maximize the volumetric efficiency and longevity of the R35 GT-R power unit.

INCLUDES TOTAL SEAL RINGS

Specification