Application Compatible for Chevy SBC compatible for V8 350 265-400 283 327 302 307 Specifications Lifter Style: Hydraulic roller Outside Diameter: 0.8425 in. Link Bar: Vertical Warranty: one year warranty for any manufacturing defect Feature* New* High performance aftermarket products made in our own lifters factory with more than 10 years experience* A fast & affordable way to easily upgrade your car's appearance performance* CNC Machined for Maximum Accuracy* Forged, Heat Treated Chrome Alloy Steel For Strength & Wear Resistance* Precision Machined & Heat Treated Internal Components* Guaranteed to fit & meet the specifications of the OE parts being replaced* Utilizes the latest in design & material technology, ensuring quiet & maintenance-free experience* Advanced manufacturing technology ensures durability & optimum operation Specialized designs yield significant & noticeable improvements to your car engine Notice-Retro-fit for non-roller blocks.-No instruction included; prof...