This Mahle MS forged piston is specified for Ford small-block use with a 4.155" bore, 3.400" stroke, 1.090" ring height, 5.400" rod length and 0.927" pin diameter. Constructed from 2618 alloy, the piston is listed with a -6.5cc dish, approximately 435g weight and a 10.5:1 compression ratio in the supplied single-piston configuration for high-performance engine builds requiring these exact dimensions.
Mahle MS Ford SB Piston 4.155in Bore 3.400 Stroke 1.090R CH 5.400 Rod 2618 0.927 Pin Dia. - Single