Crower 66000RM4-1 Features:

Premium hydraulic flat tappet lifters for Chevy V8 high-rev max applications Dual Cam Saver oiling with twin grooves helps reduce cam lobe wear Slow leak-down design supports stable hydraulic action and performance Precision .0025 in. cam saver groove runs from oil band to lifter face

Hydraulic Lifters Premium High-rev Max Dual Cam-saver Oiling Features:

• Premium high-rev-max hydraulic lifters for Chevy V8 with slow leak-down control for improved valvetrain stability at higher rpm
• Dual cam-saver oiling grooves help route oil from the band to the lifter face to reduce cam lobe wear during operation
• Precision 0.0025 in. cam-saver groove supports added lubrication at the lifter-to-lobe contact area for wear reduction
• Flat-tappet lifter design built for performance applications requiring controlled leak-down characteristics and consistent operation
• Requires high-volume oil pump for dual cam-saver configuration to maintain proper oil supply and intended lifter performance