Mercury - Platinum Plus Throttle and Shift Cable 22 Ft Mechanical Engine Control 8M0082594. The Mercury Platinum Plus throttle and shift cable is designed for Mercury SAE mechanical control systems where smooth, predictable response is required over longer helm-to-engine routing distances. The 22-foot length is ideal for larger boats and extended console layouts where clean routing helps prevent binding, stiffness, and uneven control feel. Platinum Plus construction reduces internal friction whi