COMP Cams New Evolution Hydraulic Roller Lifters With Cartridge Technology
Patent No. 11,136,907
COMP Cams® Evolution Hydraulic Roller Lifters are the first lifters EVER created using the newly patented Hydraulic Cartridge Technology (HCT)! This revolutionary design offers the most reliable performance of any lifters in the aftermarket. A combination of a self-contained hydraulic cartridge within a thick wall lifter body and accompanying reduced oil volume that is less affected by oil aeration delivers the most consistent bleed rates between each lifter.
The smaller volume within the hydraulic cartridge creates one of the most responsive and quietest lifters on the market today. Startup noise is greatly reduced and a precision-controlled bleed down rate ensures excellent performance at high RPM. The cartridge design allows for an incredibly stiff lifter body that greatly reduces body distortion and further ensures consistent hydraulic performance.
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EVOLUTION™ HYDRAULIC ROLLER LIFTERS APPLICATION CHART
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Make |
Description |
Diameter |
Seat Height |
Part # |
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OE-STYLE NO LINK BAR HYDRAULIC ROLLER LIFTERS |
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Small Block 305 and 350, Use in Blocks Originally Equipped w/Hydraulic Roller Cam (1987-Present Including Gen II, III, IV & V Engines) |
.842" |
2.660" |
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Dodge |
Gen III HEMI 5.7L, 6.1L, 6.2L, 6.4L |
.842" |
3.150" |
85601-16 |
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RETRO-FIT LINK BAR HYDRAULIC ROLLER LIFTERS |
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Chevrolet |
Small Block 265-400, Retro-Fit Roller Lifter for Early Model Blocks Originally Equipped w/Flat Tappet Cam, Tall Body Fits Both Standard Blocks & Tall Lifter Bore Aftermarket Blocks |
.842" |
2.475" |
85301-16 |
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Chevrolet |
Big Block 396-454, Retro-Fit Roller Lifter for Early Model Blocks Originally Equipped w/Flat Tappet Cam, Tall Body Fits Both Standard Blocks & Tall Lifter Bore Aftermarket Blocks |
.842" |
2.475" |
85401-16 |
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Chevrolet |
Big Block 348, 409, Retro-Fit Roller Lifter for Early Model Blocks Originally Equipped w/Flat Tappet Cam, Tall Body Fits Both Standard Blocks & Tall Lifter Bore Aftermarket Blocks |
.842" |
2.475" |
85601-16 |
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GM LS/LT |
LS Series Captured Link Bar Retro-Fit Roller Lifter for 1997-Up, Fits Factory, LSX & Warhawk Blocks |
.842" |
2.660" |
89571-16 |
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Chrysler |
Small Block 273-360, Retro-Fit Roller Lifter for Early Model Blocks Originally Equipped w/Flat Tappet Cam |
.904" |
2.300" |
89201-16 |
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Chrysler |
Big Block 383-440, Retro-Fit Roller Lifter for Early Model Blocks Originally Equipped w/Flat Tappet Cam |
.904" |
2.300" |
89211-16 |
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Ford |
Small Block 289-302-351W, Retro-Fit Roller Lifter for Early Model Blocks Originally Equipped w/Flat Tappet Cam |
.875" |
2.600" |
89311-16 |
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Ford |
Big Block & FE 390-428, 429, 460, Retro-Fit Roller Lifter for Early Model Blocks Originally Equipped w/Flat Tappet Cam |
.875" |
2.600" |
89341-16 |
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Oldsmobile & Pontiac |
Oldsmobile & Pontiac, Retro-Fit Roller Lifter for Blocks Originally Equipped w/ Flat Tappet Cam (Will Not Clear Stock Intake on Small Block Oldsmobile or Edelbrock #3711 Intake) |
.842" |
2.475" |
85701-16 |
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