Crower 66915J-1 Features:

Crower 66915J-1 solid mechanical flat-tappet lifter for Ford V8 221-351 and 429-460 applications Premium USA-made Hylift/Johnson lifter with Cool Face oiling to improve lubrication and reduce face temperatures Precision-machined 0.874 in. body diameter with 1.640 in. seat height for dependable valvetrain geometry Built for severe-duty street or strip use, supporting high-rpm stability in performance flat-tappet valvetrains

Solid Lifters Johnson For Mechanical Flat-tappet, Cool Face Oiling, Features:

• Mechanical flat-tappet solid lifter for Ford 221-351 and 429-460 V8 applications, precision-fit 0.874 in. body diameter
• Cool Face oiling technology for improved face lubrication, lower operating temperatures, and reduced cam and lifter wear
• Premium USA-made construction using Hylift/Johnson blanks for severe-duty durability and stable high-rpm valvetrain control
• 1.640 in. seat height with approximately 97 g to 108 g weight for dependable performance in demanding street or strip builds
• Ideal for new solid flat-tappet camshaft installations, helping maximize reliability, longevity, and consistent valvetrain operation