Top Street Performance Pro Series LS Roller Rocker Arms 72870, 1.70 Ratio, Pedestal Mount

Upgrade your GM LS-Series valvetrain with Top Street Performance Pro Series 2024 Aluminum LS Roller Rocker Arms, Part Number 72870. Designed for dependable performance and reduced friction, this set of 16 rocker arms features a full-roller design and a 1.70:1 ratio to help improve valve actuation and support consistent engine operation. The pedestal-mount configuration is engineered specifically for compatible LS-Series cylinder heads and valvetrain applications.
Constructed from lightweight aluminum, these rocker arms help reduce valvetrain mass while providing the strength needed for performance-oriented use. The black anodized finish adds durability and a clean appearance, while the full-roller tip and roller trunnion design help minimize friction at critical contact points. This combination makes the Pro Series rocker arms a practical choice for street performance, track, and upgraded LS engine builds.
Each set includes 16 rocker arms for complete coverage of an eight-cylinder engine. Before installation, verify compatibility with your specific GM LS-Series engine, cylinder heads, pushrods, valve springs, and overall valvetrain geometry. Proper setup and adjustment are essential for achieving reliable operation and maximizing the benefits of the 1.70 ratio. Trust Top Street Performance Part Number 72870 for a focused valvetrain upgrade that combines lightweight aluminum construction, roller performance, and LS-Series fitment.

Features:

• Brand: Top Street Performance

• Part Number: 72870

• Application: GM LS-Series engines

• Design: Pro Series 2024 aluminum roller rocker arms

• Mounting Style: Pedestal mount

• Ratio: 1.70:1

• Roller Type: Full roller

• Finish: Black anodized

• Quantity: Set of 16