CP Piston Set RB26DETT 87mm +1.0 mm Bore 8.5:1 Compression SC7311

RB26DETT engines in the R32, R33, and R34 Skyline GT-R demand high-quality pistons when pushing for higher power, better reliability, or stroker configurations. The CP Piston Set (SC7311) is a premium upgrade featuring 87mm +1.0mm bore pistons with an 8.5:1 compression ratio, designed to handle the stresses of high-boost and high-RPM applications. Crafted from 2916 alloy and fully CNC machined to strict tolerances, these pistons include accumulator grooves and dual forced pin oilers for superior oil control and durability under extreme conditions.

Balanced to within ±1 gram, this set comes complete with standard pins, pin locks, and rings (0 x 1.2 x 2.8mm thickness), making it a ready-to-install solution for serious engine builds. The 73.7mm stroke compatibility and 193mm compression height ensure optimal geometry for efficient power production and reduced piston slap, helping maintain long-term engine health while supporting substantial horsepower gains.

At Terra Firma Automotive, we supply this genuine CP Piston Set as a trusted choice for RB26DETT builders seeking precision, strength, and performance. Made in the USA with years of race engineering behind them, these pistons deliver the reliability and consistency needed for both street and competition use. For enthusiasts serious about optimizing their RB26 for higher power and durability, this CP piston set is one of the most effective upgrades you can make to your Skyline.

 

• CP Piston Set for RB26DETT with 87mm +1.0mm bore
• 8.5:1 compression ratio for high-boost compatibility
• Crafted from 2916 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, pin locks, and 0 x 1.2 x 2.8mm rings
• 73.7mm stroke and 193mm compression height compatibility
• Designed for high-RPM and high-boost performance applications
• Premium CP engineering with proven race heritage
• Reduces piston slap and improves long-term engine durability
• Ideal for stroker and high-power RB26DETT builds
• Direct upgrade for R32, R33, and R34 GT-R engines
• Enhances power potential and engine reliability
• 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.