Proform 66864 Billet Roller Rockers Buick 455 1.65 Ratio Shaft Mount Purple Kit

The Proform 66864 Billet Roller Rockers are meticulously engineered for the Buick 455 engine, enhancing performance and reliability in high-demand automotive applications. Designed with a 1.65 ratio, these roller rockers optimize valve lift, allowing for increased airflow and improved engine efficiency. The result is a noticeable boost in horsepower and torque, making these rockers an essential upgrade for Any performance-focused engine build. Their shaft-mount design ensures superior alignment and stability, reducing the risk of flex and allowing for more precise valve control.

Crafted from high-quality billet aluminum, these rockers provide exceptional strength while remaining lightweight. This combination helps minimize the overall weight of the valvetrain, contributing to quicker engine response and higher rev capabilities. Additionally, the roller tip minimizes friction between the rocker and valve stem, leading to reduced wear and extending the overall life of the engine components. The vibrant purple finish not only lends a unique aesthetic appeal but also provides an additional layer of protection against corrosion and wear.

FITMENT: These roller rockers are specifically designed to fit the Buick 455 engine, making them a direct replacement for stock components. They are fully compatible with standard and aftermarket valve springs that support the elevated lift provided by the 1.65 ratio, ensuring a seamless installation process for enthusiasts and professional builders alike.

Key Features & Benefits

• 1.65 ratio for optimal valve lift and improved engine performance.
• Precision shaft mount design for enhanced stability and alignment.
• Billet aluminum construction offers strength while maintaining a lightweight profile.
• Roller tip reduces friction and wear on valve stems.
• Durable purple finish for added aesthetic appeal and corrosion resistance.