CUSCO 619 729 AN Reduce lead valve for SUZUKI Swift Sport (ZC31S/ZC32S) ymm_20 Single 4" round black chrome

Single 4" round black chrome on T-304 stainless steel tips per muffler

The free flow design aims to improve performance

The long factory oil hard line will not be able to use support brackets on the back of the radiator

Un-notched necks for weld-in installation

*High Volume Fuel Pump Upgrade is compatible with COBB OTS Maps

CUSCO 619 729 AN Reduce lead valve for SUZUKI Swift Sport (ZC31S/ZC32S) ymm_20 Single 4" round black chromeThe Cusco Reducer Valve is a one way checkvalve, preventing blowby gas from re entering the crankcase. This results in less load on the crankshaft during the 4 stroke petrol engine cycle, stabilizing revolutions and idle speed. Made from solid billet aluminum, it comes with every hardware needed to install on the Toyota 86, Scion FR S, and Subaru BRZ. Features: Prevents Blowby Gas from Re Entering Crankcase Includes all necessary parts for easy