Moroso 68337 Billet Aluminum Valve Covers Small Block Chevy ROX Head 4.5" Bore Space

The Moroso 68337 Billet Aluminum Valve Covers are precision-engineered for Small Block Chevy engines equipped with ROX cylinder heads featuring 4.5-inch bore spacing. These high-performance valve covers are CNC-machined from solid billet aluminum, providing exceptional strength while minimizing weight—a critical advantage for racing applications.

Key Features:

• CNC-machined billet aluminum construction for superior strength-to-weight ratio
• Designed specifically for Small Block Chevy ROX heads with 4.5" bore centers
• Precision fit ensures proper sealing and professional appearance
• Natural aluminum finish can be polished or anodized to preference
• Includes necessary O-rings and hardware for installation
• Provides ample clearance for high-lift camshafts and rocker arm geometry

These valve covers are ideal for high-performance street engines, race motors, and custom engine builds where weight reduction and durability are paramount. The billet construction eliminates the porosity issues common with cast covers, ensuring a leak-free seal even under extreme conditions.