JAM1488-20 PISTON ASSEMBLY. BMC piston assembly at + 0.020" oversize.
Original bore size for this piston is 80.25mm (3.16")
Complete with piston rings, pin and clips and suitable for the 1.8 BMC 1800cc 4 cylinder diesel engine.
See item 21 in the illustration.
Standard piston assembly also available (see JAM1488 PISTON ASSEMBLY)