Polished Aluminum Ball Milled Round Push-In Breather Rocker Arms making this casting an excellent

making this casting an excellent choice for 454

Compatible restoration

('97-'04 Corvettes*):

II (Mark IV) standard deck big block V8 engines

• Commonly used on classic GM passenger cars

Polished Aluminum Ball Milled Round Push-In Breather Rocker Arms making this casting an excellentPolished Aluminum Ball Milled Round Push In Breather for Crankcase Ventilation and Engine Dress Up This round billet aluminum breather accessory is built for compatible valve cover ventilation openings and crankcase ventilation systems. The polished finish gives the engine bay a clean dress up look while the for compatible ventilation setups configuration supports the correct airflow setup. The 1" neck or inlet sizing must match the valve cover