Sierra Marine 18-5770-1 Marine Electronic Distributor Conversion Kits This aFe Momentum GT air

This aFe Momentum GT air intake system (part 54-74108) is a complete intake upgrade with part number 54-74108

This aFe Pro Dry S drop-in air filter element (SKU: afe-pro-dry-s-air-filter-elements-31-10004) is a direct replacement for vehicles requiring part number 31-10004 that swaps out your restrictive OEM paper filter for a high-flow performance alternative

It reads MAF

The mounting brackets are reinforced for off-angle pulls and include Grade-8 mounting hardware and anti-rattle bushings for a secure

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

Sierra Marine 18-5770-1 Marine Electronic Distributor Conversion Kits This aFe Momentum GT airThe 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