Applicationfor All SBF 221 255 260 289 302 (62-Present) 351W 351C 351M 400M (69-93) Compatible for Ford SBF Small Block 302 221-400 351C 351W Roller Lifter DetailsSpecificationLifter Link Bars Included: YES Lifter Outside Diameter (in): 0.874 in. Lifter Style: Hydraulic roller Link Bar: Vertical Quantity: A set of 8 pairs as shown Warranty: one yearNotes* Retro-fit for non-roller blocks. * No instruction included; professional installation is suggested. * High performance aftermarket products made in our own lifters factory with more than 10 years experience * A fast and affordable way to easily upgrade your car\'s appearance performance * CNC Machined for Maximum Accuracy * Forged, Heat Treated Chrome Alloy Steel Body for High Strength * Precision Machined and Heat Treated Internal Components * For any other question, please feel free contact us by message.