Holley GM Licensed Track Series Valve Covers - 241-285 Medium Margin 3L V8 1955 - 1957

3L V8 1955 - 1957 Chevrolet Two-Ten Series 265/4

CID 220/330/440/ 273 CID

designed for easy

5 Primary Pump Nozzle Size 28 Product Type 4150 Model Carburetor Secondaries Mechanical Secondary Main Jet 80 Secondary Pump Nozzle Size 31 Supercharged Application No Throttle Bore 1

1x Vapor Return Line (5/16 inch Diameter)

Holley GM Licensed Track Series Valve Covers - 241-285 Medium Margin 3L V8 1955 - 1957Overview: Holley is pleased to release its latest fully licensed product GM Track Series Fabricated Aluminum Valve Covers. The GM Track Series family of valve covers gives you an excellent way to add a high end fabricated look combined with a lightweight and tough valve cover for your favorite Chevy engine. These valve covers are constructed of 6061 T5 sheet aluminum, feature a laser etched "Chevrolet" and Bow Tie logo, and precision TIG welded for a