PROFORM 66878 Small Block Ford Roller Rocker Arms, 1.70 Ratio, 5/16-Inch Pedestal Mount

Upgrade your Small Block Ford valvetrain with PROFORM Part Number 66878 roller rocker arms, designed for reliable performance and consistent valve-train operation. This complete set includes 16 rocker arms with a 1.70:1 ratio and 5/16-inch pedestal mounts, making it a practical choice for compatible Ford cylinder head and engine applications.
Constructed from lightweight aluminum, each rocker arm features a full-roller design that helps reduce friction at the valve tip and supports smooth movement through the valve cycle. The blue anodized finish adds corrosion resistance and provides a clean, performance-oriented appearance while helping the components stand out during engine assembly or inspection.
These PROFORM rocker arms are engineered for Small Block Ford applications that use the appropriate pedestal-mount configuration. Before installation, verify valve-train compatibility, pushrod alignment, clearance, and required geometry for your specific engine combination. Proper setup is essential for achieving dependable operation and protecting related valvetrain components.
The PROFORM 66878 set delivers a balanced combination of roller performance, durable aluminum construction, and application-specific fitment for enthusiasts, builders, and performance-focused engine projects. It is supplied as a 16-piece set for outfitting a complete compatible engine valvetrain.

Features:

• Brand: PROFORM

• Part Number: 66878

• Application: Small Block Ford engines

• Quantity: Set of 16 rocker arms

• Ratio: 1.70:1

• Mounting Style: 5/16-inch pedestal mount

• Construction: Lightweight aluminum

• Design: Full-roller rocker arm

• Finish: Blue anodized