Wiseco Pistons WD-15138 Forged Piston Set Toyota 7MGTE 83.5mm Bore 10.0:1 CR

The Wiseco WD-15138 is a complete forged piston set designed for the Toyota 7MGTE engine, featuring an 83.5mm bore with a -9.5cc dish design and 10.0:1 compression ratio. This professional-grade piston set includes six pistons specifically engineered for the inline-six turbocharged 7M-GTE engine found in 1986-1992 Toyota Supra models.

Key Features:

• 83.5mm bore diameter (overbore application)
• -9.5cc dish piston design
• 10.0:1 compression ratio optimized for turbocharged applications
• Includes rings, wrist pins, and circlips
• Advanced forging process for maximum strength and durability

Wiseco is the only aftermarket piston company to forge their own pistons, utilizing state-of-the-art CNC machining equipment in their Ohio facility. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards. These forged pistons deliver superior performance compared to cast or hypereutectic pistons, with tighter tolerances and exceptional reliability for high-performance turbocharged engines.