Yamaha Billet Engine Coupler 2019 spark The 30% larger wider core

The 30% larger wider core allows for better heat transfer of compressed air from supercharger or turbo charger before entering engine

NOTE: Does not fit 2021 RXPX 300

Ditch the restrictive stock baffle and let your engine breathe with the Worx Racing Performance Exhaust Kit

Diameter: 159mm

Durability: Designed to withstand the harshest marine environments

Yamaha Billet Engine Coupler 2019 spark The 30% larger wider coreBillet Drive coupler for Yamaha 1. 8 Engine Fits any 1. 8 Yamaha Engine Billet construction huge strength upgrade over stock cast unit Utilises OEM rubber coupler A must for any High Horsepower Race watercraft