SBF Shaft Rocker Arm Kit - 1.65/1.65 Ratio

The SBF Shaft Rocker Arm Kit - 1.65/1.65 Ratio is designed specifically for Small Block Ford engine builders and performance enthusiasts who aim to enhance valve lift and duration. This kit is essential for anyone upgrading their SBF cylinder heads, ensuring precise rocker arm geometry that optimizes valve actuation. Whether for street engines, circle track racing, or high-horsepower street rods, the correct rocker arm ratio is crucial for improving power delivery and engine responsiveness.

The 1.65/1.65 ratio configuration offers a mechanical advantage, lifting both intake and exhaust valves equally, which is beneficial for symmetrical valve events. Shaft-style rocker arms distribute load across a full-length shaft, providing superior stability at high RPMs and reducing deflection under aggressive valve spring pressures. This design is particularly advantageous in forced-induction applications and high-lift cam scenarios, where individual rocker arms may flex, affecting valve timing accuracy.

This rocker arm kit is compatible with Small Block Ford engines, including 289, 302, and 351W, making it an excellent choice for a variety of performance builds. Engineered for consistent performance across all eight cylinders, it eliminates variances often seen with stud-mounted alternatives. This ensures that builders can achieve optimal performance and reliability in their engine setups.