Mahle MS forged piston set for VW 1.8T engines; set of four. Each piston measures 81.50mm bore with 86.4mm stroke, 144mm rod and a 20mm pin, trimmed -12.0cc to yield about an 8.5:1 compression ratio and noted 4032 reference. These pistons provide dimensionally matched components intended for accurate assembly in 1.8T rebuilds requiring known swept volume and compression.
Mahle MS Piston Set VW 1.8T 81.50mm Bore 86.4mm Stroke 144mm Rod 20mm Pin -12cc 8.5 CR Set of 4