Yangdong Y485 Air and Exhaust parts.
1 piece required per cylinder. 64mm bolt centres. 38mm x 26mm throat.
Side centre outlet. 64mm bolt centres at 100mm spacings to head. 74mm (2) bolt centres to exhaust pipe.
64mm bolt centres. 32mm x 24mm throat. 1 piece required per cylinder.
Generator use with 64mm bolt centres. Y380 and Y480 Tractors are typically Y480G-03013 with 62mm bolt centres. 1 piece required per cylinder. Y380, Y385, Y480 and Y485 with 64mm bolt centres and 40mm x 34mm throat. 83mm height x 52mm width.