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The Black Mamba Mechanical Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability. The Black Mamba have an axle diameter of .470" with full time pressurized oiling. The .842" & .875" diameter lifters in this series have a .750" diameter roller wheel. The .903" diameter lifters have a .810" diameter roller wheel and the .936" diameter lifters have a .850" diameter wheel. These lifters have a special break-in lube between the axle and roller wheel and should not be washed with solvent prior to installation. These lifters also require a break-in period of 25-30 minutes varying the RPM from 1,800-2,200 RPM.
Recommended Spring Pressures are 150-400 lbs Seat Pressure and 550-1,000 lbs Open Pressure.
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Morel 6494 Morel 6494 Black Mamba Series BBC .842" Diameter .300" Tall .150" Intake & Exhaust Offset Mechanical Roller Lifters

The Morel 6494 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,344.99
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Morel 6475 Morel 6475 Black Mamba Series SBC .842" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6475 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,349.99
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Morel 6483 Morel 6483 Black Mamba Series LS .842" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6483 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,349.99
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Morel 6498 Morel 6498 Black Mamba Series Pontiac .842" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6498 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,349.99
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Morel 6489 Morel 6489 Black Mamba Series BBC .842" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6489 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,364.99
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Morel 6478 Morel 6478 Black Mamba Series SBC .842" Diameter .300" Tall .150" Left & Right Intake Offset Mechanical Roller Lifters

The Morel 6478 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,374.99
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Morel 6481 Morel 6481 Black Mamba Series SBC/Buick .842" Diameter .150" Left Intake Offset Mechanical Roller Lifters

The Morel 6481 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,374.99
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Morel 6485 Morel 6485 Black Mamba Series LS .842" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6485 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,374.99
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Morel 6480 Morel 6480 Black Mamba Series SBC .842" Diameter .300" Tall .150" Intake & Exhaust Mechanical Roller Lifters

The Morel 6480 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,379.99
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Morel 6487 Morel 6487 Black Mamba Series LS .842" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6487 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,379.99
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Morel 6492 Morel 6492 Black Mamba Series BBC .842" Diameter .300" Tall .150" Left & Right Intake Offset Mechanical Roller Lifters

The Morel 6492 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,389.99
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Morel 6651 Morel 6651 Black Mamba Series SBC .903" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6651 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,634.99
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Morel 6659 Morel 6659 Black Mamba Series LS .903" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6659 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,634.99
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Morel 6663 Morel 6663 Black Mamba Series BBC .903" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6663 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,634.99
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Morel 6671 Morel 6671 Black Mamba Series Pontiac .903" Diameter .300" Tall Mechanical Roller Lifters

The Morel 6671 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,634.99
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Morel 6673 Morel 6673 Black Mamba Series SBF 351 .903" Diameter Mechanical Roller Lifters

The Morel 6673 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,634.99
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Morel 6679 Morel 6679 Black Mamba Series BBF 429-460 .903" Diameter Mechanical Roller Lifters

The Morel 6679 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,634.99
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Morel 6683 Morel 6683 Black Mamba Series SBM .903" Diameter Mechanical Roller Lifters

The Morel 6683 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,634.99
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Morel 6685 Morel 6685 Black Mamba Series BBM .903" Diameter Mechanical Roller Lifters

The Morel 6685 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,634.99
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Morel 6654 Morel 6654 Black Mamba Series SBC .903" Diameter .300" Tall .180" Left & Right Intake Offset Mechanical Roller Lifters

The Morel 6654 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,654.99
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Morel 6657 Morel 6657 Black Mamba Series SBC/Buick .903" Diameter .180" Left Intake Offset Mechanical Roller Lifters

The Morel 6657 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,659.99
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Morel 6661 Morel 6661 Black Mamba Series LS .903" Diameter .300" Tall .180" Left Intake Offset Mechanical Roller Lifters

The Morel 6661 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,659.99
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Morel 6666 Morel 6666 Black Mamba Series BBC .903" Diameter .300" Tall .180" Left & Right Intake Offset Mechanical Roller Lifters

The Morel 6666 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,659.99
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Morel 6667 Morel 6667 Black Mamba Series BBC .903" Diameter .300" Tall .180" Right Intake Offset Mechanical Roller Lifters

The Morel 6667 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,659.99
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Morel 6675 Morel 6675 Black Mamba Series SBF 351 .903" Diameter .180" Right Intake Offset Mechanical Roller Lifters

The Morel 6675 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,659.99
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Morel 6681 Morel 6681 Black Mamba Series BBF 429-460 .903" Diameter .180" Right Intake Offset Mechanical Roller Lifters

The Morel 6681 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,659.99
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Morel 6688 Morel 6688 Black Mamba Series BBM .903" Diameter .180" Left & Right Intake Offset Mechanical Roller Lifters

The Morel 6688 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,659.99
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Morel 6656 Morel 6656 Black Mamba Series SBC .903" Diameter .300" Tall .180" Intake & Exhaust Mechanical Roller Lifters

The Morel 6656 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,664.99
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Morel 6669 Morel 6669 Black Mamba Series BBC .903" Diameter .300" Tall .180" Intake & Exhaust Offset Mechanical Roller Lifters

The Morel 6669 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,664.99
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Morel 6677 Morel 6677 Black Mamba Series SBF 351 Windsor .903" Diameter .180" Intake & Exhaust Mechanical Roller Lifters

The Morel 6677 Black Mamba Mechanical Roller Lifters are made from a billet body with a pined axle and have 9,000+ RPM capability.

Our Price: $1,664.99
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