Tomei Stroker Kit Rb26Dett/Rb25Det 2.8 8 Counter 86.50

Tomei Stroker Kit — RB26DETT / RB25DET 2.8 8 Counter 86.50 — TA201A-NS05D

The Tomei RB26DETT / RB25DET 2.8 Stroker Kit (8 Counter, 86.50mm) is engineered for serious RB builders looking to increase displacement while maintaining proven Tomei performance engineering. Designed around an 86.50mm bore and increased stroke configuration, this kit expands displacement to approximately 2.8L, improving torque delivery and mid-range response while retaining high-RPM capability expected from a properly built RB platform.

Key Features

• 2.8L stroker configuration designed to increase displacement and improve overall engine response.
• 8-counterweight crank design focused on balancing strength, rotational efficiency, and performance.
• Precision-matched rotating assembly specs engineered specifically for RB26DETT and RB25DET applications.
• Motorsport-oriented design intended for high-performance street and race engine builds.

Technical Specifications

• Application: RB26DETT / RB25DET 2.8 (8 Counter)
• Bore: 86.50mm (OEM +0.5)
• Stroke: 77.70mm (OEM +4.0)
• Displacement: 2739.6cc
• Combustion Chamber Volume: 64.5cc
• Piston Volume: 10.8cc
• Piston Compression Height: 30.00mm
• Rod Length (C-to-C): 119.5mm
• Head Gasket Bore: 87.0mm

Fitment

• Engines: Nissan RB26DETT / RB25DET
• Models: Nissan Skyline GT-R (BNR32 / BCNR33 / BNR34), Nissan Skyline R33

Part Number: TA201A-NS05D