CP Piston Set RB26DETT 86.5 mm +0.5mm Bore 9:1 Compression SC7313

Unlock the full potential of your Nissan RB26DETT engine with the CP Piston Set (SC7313) from Terra Firma Automotive. Precision-engineered for high-performance applications, this 86.5mm (+0.5mm oversize) forged piston set delivers uncompromising strength and reliability, making it the ideal upgrade for Skyline GTR builds focused on serious power and endurance. Designed with a 9:1 compression ratio, these pistons are optimized for turbocharged engines, offering enhanced combustion efficiency while maintaining excellent detonation resistance under high boost.

Manufactured in the USA from high-strength 2618 alloy, each CP piston undergoes full CNC machining and is weight-balanced to within +/- 1 gram to ensure perfect engine harmonics. Features like accumulator grooves, dual forced pin oilers, and tight compression height tolerances reflect the race-proven design behind every CP component. This ensures optimal ring seal, lubrication, and long-term reliability, even in the most extreme environments.

Terra Firma Automotive brings years of RB expertise and delivers only the best in engine internals. Whether you're rebuilding your RB26 for street dominance or preparing for competitive motorsport, this CP piston set offers unmatched quality and durability. Trust Terra Firma to supply the components that keep your build ahead of the competition. Invest in performance that lasts—equip your RB26DETT with CP Pistons from Terra Firma Automotive and experience the difference precision makes.

 

• CP Piston Set for RB26DETT with 86.5mm +0.5mm bore
• 9:1 compression ratio for balanced performance and boost compatibility
• Crafted from high-strength 2618 alloy with full CNC machining
• Balanced to ±1 gram for smooth engine operation
• Accumulator grooves and dual forced pin oilers for superior oil control
• Includes standard pins and pin locks for complete assembly
• Optimized geometry for efficient power production
• Reduces piston slap and improves long-term engine durability
• Ideal for high-boost and high-RPM RB26DETT builds
• Direct upgrade for R32, R33, and R34 GT-R engines
• Premium CP engineering with proven race heritage
• Supports upgraded turbos, heads, and fuel systems
• Transforms your RB26 into a more powerful and reliable engine
• Trusted by professional builders for precision and quality
• Essential component for optimized RB26 performance builds
• ⚠️ Emissions / California Legal Disclaimer – Off-Road / Competition Use Only: This product is intended for off-road, competition, and track use only. It is not legal for sale or use on public roads or highways in California (or any other CARB-adopting state). For more information Click Here.