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This Mahle single piston is specified for RB25DET applications with an 86.50mm bore and 71.7mm stroke, featuring a 121.5mm rod, 21mm pin, and 11.5cc dome volume for an 8.5:1 compression ratio. Produced as a 4032 alloy single piston weighing approximately 353g, it supplies the dimensional and combustion characteristics required for rebuilding or replacing pistons in RB25DET engines where these exact measurements are called for.
Mahle MS Piston Set RB25DET 86.50mm Bore 71.7mm Stroke 121.5mm Rod 21mm Pin 11.5cc 8.5 CR - Single
