Crower 84561S Features:

Complete hydraulic retro-fit roller kit for Ford 221-302 V8 engines Includes linked-style hydraulic roller lifters, valve springs, retainers, and keepers Designed for 1963-1995 Ford 221-302 blocks originally built with non-roller lifters Rated for up to 6500 rpm with .000 in. valve lash for performance rebuild applications

Hydraulic Retro Fit Rolle Ford 221-302 Hydraulic Roller Kit Features:

• Complete kit for Ford 221-302 non-roller blocks, hydraulic retro-fit roller lifters, springs, retainers, and keepers included
• Linked-style hydraulic roller lifters for performance valvetrain stability and retro-fit installation in 1963-1995 applications
• 6500 rpm max rating for high-rpm street and performance rebuild use with classic Ford small-block engine combinations
• Zero valve lash requirement for hydraulic setup consistency and simplified valvetrain adjustment during engine assembly
• Crower 84561S engineered for Ford 221-302 V8 retro-fit roller conversion in originally non-roller lifter blocks