Sierra Marine 18-5770-1 Marine Electronic Distributor Conversion Kits It reads MAF

It reads MAF

Expect 10-17 hp gains with a noticeable improvement in throttle response and sound levels in the 92-100 dB range

By compressing the throttle position signal

The unit preserves all factory safety and traction control systems while remapping the pedal curve for a more aggressive tip-in response

stainless steel mounting brackets

Sierra Marine 18-5770-1 Marine Electronic Distributor Conversion Kits It reads MAFThe Sierra Marine 18 5770 1 is a marine grade capacitive discharge ignition box engineered for replacement or upgrade on inboard marine engines. Built to withstand high vibration, moisture rich engine compartments, this unit delivers a high energy spark that ignites lean mixtures and handles high compression marine builds without misfire. This CD ignition box outputs a 135 millijoule spark at up to 450 volt primary draw, operating across the full 12