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COMP Cams Evolution Series Hydraulic Roller Lifters 89591-16 Lifters, Lifters, Retrofit, 0.842 in. O.D., 2.475 in. Lifter Seat Height, Chevrolet, 348/409 Big Block W, Set of 16

SKU: CCA89591-16

Lifters

COMP Cams Evolution Series Hydraulic Roller Lifters 89591-16 Lifters, Lifters, Retrofit, 0.842 in. O.D., 2.475 in. Lifter Seat Height, Chevrolet, 348/409 Big Block W, Set of 16

SKU: CCA89591-16

Lifters
A$1,726.41
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

COMP Cams Evolution HCT (Hydraulic Cartridge Technology) is a new patented tappet. The Evolution HCT tappet provides most consistent performance of any set of lifters in the aftermarket. A combination of self-contained hydraulic cartridge and accompanying reduced oil volume that is less effected 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. Startup noise is greatly reduced and a precision controlled bleed down rate ensure excellent performance at high RPM. The patented cartridge design also allows for an incredibly stiff lifter body, greatly reducing body distortion and further ensuring consistent hydraulic performance. This patented HCT tappet is not just a performance Original Equipment replacement. This is an all new bespoke design started from a blank canvas developed to meet the demanding performance and durability our customers desire.Also, as an industry first the hydraulic element of this patented lifter is serviceable, allowing anyone to rebuild their lifters in their own garage.

Part Type

Engine Valve Lifter Kit

Data: v4.2 - Upd: 2026-10-18 19:06:13

Features

  • Designed to meet the demanding performance and durability needs of today's high performance engines
  • Most consistent performing lifters available
  • Patented design
  • Quietest hydraulic lifters on the market

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
89591-16
Product Attributes - Part Type
Lifters
Product Attributes - Product Line
COMP Cams Evolution Series Hydraulic Roller Lifters
Product Attributes - UPC
036584417415
Product Attributes - Lifter Style
Hydraulic roller
Product Attributes - Lifter Link Bars Included
Yes
Product Attributes - Lifter Outside Diameter (in.)
0.842 in.
Product Attributes - Lifter Offset
None
Product Attributes - Link Bar Type
Vertical
Product Attributes - Lifter Seat Height (in.)
2.475 in.
Product Attributes - Quantity
Sold as a set of 16.
Product Attributes - Special Attention
Retrofit roller lifter for early model blocks originally equipped with a flat tappet cam. Tall body fits both standard blocks and tall lifter bore aftermarket blocks.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca89591-16
SFX Item ID 4777421
Supplier Item Code 4777421
Manufacturer SKU 89591-16
Manufacturer UPC 36584417415
Alternative References COM89591-16, CPC89591-16

Brochures

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1958
    Ending Year1961
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size5.7L/348
  • MakeCHEVROLET
    Beginning Year1961
    Ending Year1965
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size6.7L/409

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