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Hydraulic Flat Tappet Lifters<br />
HYDRAULIC FLAT TAPPET<br />
Description<br />
Lifter Body Pushrod<br />
Diameter Seat Height<br />
Lifter<br />
Weight<br />
RC<br />
Hardness<br />
CHRYSLER Standard .903” 1.600” 107.4g 55-58 66031-16<br />
CHRYSLER Cam Saver, Heavy Duty snap ring .903” 1.600” 108.3g 55-58 66031X3-16<br />
FORD Standard .874” 1.725” 104.6g 55-58 66015-16<br />
FORD Cam Saver, Heavy Duty snap ring .874” 1.725” 103.5g 55-58 66015X3-16<br />
FORD Cheater Hydraulic .874” 1.700” 102.2g 63-64 66015X5-16<br />
GENERAL MOTORS Standard .842” 1.700” 97.8g 55-58 66000-16<br />
GENERAL MOTORS Cam Saver, Heavy Duty snap ring .842” 1.700” 97.3g 55-58 66000RX3-16<br />
GENERAL MOTORS Cheater Hydraulic .842” 1.700” 96.2g 63-64 66000X5-16<br />
Part No.<br />
REV-MAX HYDRAULIC FLAT TAPPET<br />
Description<br />
*Dual Cam Saver option requires the use of a high volume oil pump<br />
Lifter Body Pushrod<br />
Diameter Seat Height<br />
GENERAL MOTORS Rev-Max Lifter. Slow leak down, High RPM .842" 66000RM-16<br />
GENERAL MOTORS Rev-Max Lifter. Slow leak down, High RPM w/Cam Saver option .842" 66000RM3-16<br />
GENERAL MOTORS Rev-Max Lifter. Slow leak down, High RPM w/Dual Cam Saver Grooves* .842" 66000RM4-16<br />
Lifter<br />
Weight<br />
RC<br />
Hardness<br />
Part No.<br />
VARIABLE DURATION HYDRAULIC FLAT TAPPET<br />
Description<br />
GENERAL MOTORS Variable Duration Hydraulic Lifter. Increase vacuum & reduce valvetrain noise.<br />
Not recommended for high mileage applications. Fast leakdown.<br />
GENERAL MOTORS Variable Duration Hydraulic Lifter. Increase vacuum & reduce valvetrain noise.<br />
Not recommended for high mileage applications. Fast leakdown. w/Cam Saver option<br />
Lifter Body Pushrod<br />
Diameter Seat Height<br />
Lifter<br />
Weight<br />
RC<br />
Hardness<br />
Part No.<br />
.842" 66000V16<br />
.842" 66000V3-16<br />
Hydraulic Flat Tappet Leak Down Rates:<br />
Standard OEM Hydraulic Lifter 10 to 120 seconds<br />
Standard Hydraulic Lifter 20 to 80 seconds<br />
Variable Duration Hydraulic Lifter 8 to 20 seconds<br />
Rev-Max Hydraulic Lifter<br />
95 to 125 seconds<br />
Heavy Duty Snap Ring<br />
Cam Saver<br />
.0025 Groove from the oil band<br />
to the lifer face for reduced<br />
lobe wear<br />
For technical support call 619-661-6477 or visit www.crower.com<br />
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