JT Rear Sprocket 488.38 - Kawasaki: 81 Z550D1 (GPZ550-Twin Shock) ; 82-83 Z550H1/2 (GPZ-Unitrack)'82-'83; 78-82 Z750B1/4,Y1/2,LTD (2 Cyl); 80-83 ZR550A1/2 (Z550F) 940912 1 cm) long and just

1 cm) long and just 2 3/8" (6 cm) in diameter

This JIMS time saving transmission master kit comes complete with JIMS proven performance parts and a Cometic gasket & seal kit

Width is measured from inside to inside and mentioned for reference only

Stones are square end to hone to the end of step-cut end blind-end cylinders

Quick rise times for easier starts and elimination of spark deterioration

JT Rear Sprocket 488.38 - Kawasaki: 81 Z550D1 (GPZ550-Twin Shock) ; 82-83 Z550H1/2 (GPZ-Unitrack)'82-'83; 78-82 Z750B1/4,Y1/2,LTD (2 Cyl); 80-83 ZR550A1/2 (Z550F) 940912 1 cm) long and justJT Steel rear sprockets are manufactured using Japanese C49 high carbon steel. Designed to minimise weight and maximise strength. Accurately machined to achieve balance and a perfect fit and chain alignment