Crower 66015J-12 Features:

Crower 66015J-12 hydraulic flat-tappet lifters fit Ford 240 and 300 6-cylinder engines. Set of 12 USA-made Johnson lifters with ball-check oil control valving for hydraulic cam use. Precision radius faces help promote quick break-in during camshaft installation. Each lifter measures 0.874 in. diameter, 1.715 in. seat height, and weighs 103.9 g.

Hydraulic Lifters Johnson Ford 240/300 6-CYL Hydraulic Flat-tappet Set Features:

• Hydraulic flat-tappet lifter design for Ford 240 and 300 6-cylinder engines, supporting reliable valve-train operation in compatible hydraulic camshaft applications
• Ball-check oil control valving helps maintain consistent hydraulic function, promoting stable performance and dependable oil management during engine operation
• Precision radius face supports proper lifter-to-lobe contact and quick break-in, helping reduce scuffing risk during initial camshaft and lifter mating
• 0.874 in. diameter, 1.715 in. seat height, and 103.9 g weight per lifter provide fitment-specific dimensional accuracy for the intended engine family
• Set of 12 new lifters for complete installation, recommended when replacing a camshaft to help reduce premature lobe and lifter wear over time