Crower 84524S Features:

Mechanical roller lifter, spring, and retainer kit for 1963-1976 Ford FE V8 engines Includes 16 mechanical roller lifters, 16 dual valve springs, and 16 steel retainers Supports 332, 352, 360, 390, 406, 410, 427, and 428 cu. in. Ford FE applications Engineered for high-performance street use and valvetrain operation up to 7,000 RPM

Roller Kit Ford FE Dual S Dual Spring Steel Features:

• Mechanical roller lifters, dual springs, steel retainers, matched 16-piece valvetrain kit for Ford FE V8 performance builds
• Supports 1963-1976 Ford FE 332, 352, 360, 390, 406, 410, 427, and 428 engines with dual-spring valvetrain upgrade
• High-rpm street performance capability up to 7,000 rpm with mechanical roller lifters and dual valve springs
• Includes 16 lifters, 16 dual valve springs, and 16 steel retainers; oil seals not included in this package
• Requires custom cylinder head machine work for fitment; check valvetrain clearances carefully for severe-duty applications