CP-Carrillo Forged Pistons Kit (Nissan RB30 / RB25DET - Standard 86mm / 8.2:1 CR)

Build a high-boost, high-horsepower bottom end with the CP-Carrillo Forged Pistons Kit (Part # cppSC7301-6 / SC7301-6) for Nissan RB30 and RB25DET engines. Precision-engineered for turbocharged and forced-induction performance, this piston set delivers exceptional structural strength, thermal endurance, and ring-seal reliability under severe cylinder pressures.

Forged from high-tensile 2618-T6 aluminum alloy, each piston features CNC-machined crown contours, anti-detonation grooves, deep valve reliefs, and a high-strength skirt design. This complete set includes 6 forged pistons, high-carbon wrist pins, spirolocks, and high-performance ring sets.

Please note: This item is a special order / limited availability product. Lead times may vary. Please contact us for current stock status and lead time estimates prior to ordering.

Key Features & Benefits:

• Forged 2618-T6 Aluminum Construction: Aircraft-grade alloy provides high fatigue resistance and impact strength under extreme combustion loads.
• 8.2:1 Compression Ratio: Low-compression dome profile engineered specifically for RB30/RB25 high-boost safety margins.
• CNC Precision Machining: Deep valve relief pockets accommodate aftermarket high-lift, long-duration camshafts.
• Complete Engine Set: Includes 6 forged pistons, premium wrist pins, carbon steel locks, and high-performance ring packages.

Technical Specifications:

• Engine Compatibility: Nissan RB30, RB25DET (RB30 bottom end with RB25 head)
• Bore Size: 86.0 mm (Standard Size / STD)
• Compression Ratio: 8.2:1
• Pin Diameter: 21 mm
• Material / Alloy: Forged 2618-T6 Billet Aluminum
• Warranty: CP-Carrillo Manufacturer Limited Warranty
• Brand: CP-Carrillo