PROFORM 66908C SBC Roller Rocker Arms, 1.60 Ratio, 3/8-Inch Stud Mount, Set of 16

Upgrade your small block Chevy valve train with PROFORM 66908C roller rocker arms, designed for reliable performance and reduced friction. Each rocker arm features a 1.60:1 ratio and a 3/8-inch stud-mount design to support precise valve actuation in compatible Chevrolet small block applications.

Constructed from lightweight aluminum, these full-roller rocker arms combine strength with smooth operation. The full-roller design helps minimize friction at the valve tip and fulcrum, while the blue anodized finish provides corrosion resistance and a distinctive appearance under the valve covers. The set includes 16 rocker arms for complete engine coverage.

PROFORM part number 66908C is intended for enthusiasts, builders, and performance applications seeking dependable valvetrain components for a small block Chevy engine. Verify stud size, rocker ratio, valve geometry, and engine compatibility before installation. Proper adjustment and clearance checks are recommended to help ensure reliable operation.

Features:

• Brand: PROFORM
• Part Number: 66908C
• Application: Small block Chevy engines
• Rocker Ratio: 1.60:1
• Mounting Style: 3/8-inch stud mount
• Construction: Lightweight aluminum
• Design: Full roller
• Finish: Blue anodized
• Quantity: Set of 16