What makes the COMP Cams Evolution Series lifters quieter than others?

The Evolution HCT lifters use a patented design with a smaller hydraulic cartridge and reduced oil volume. This setup is less prone to aeration and has a precisely controlled bleed-down rate, which minimizes startup noise and ensures smoother operation.

Can these lifters be rebuilt if needed?

Yes, the hydraulic element of these patented HCT lifters is designed to be serviceable. This means you can rebuild them yourself in your garage, which is a unique feature for performance lifters.

What kind of engine builds are these lifters best suited for?

These lifters are designed for high-performance engine builds that demand consistent operation and durability, especially at higher RPMs. They are a step up from standard OEM replacements and are built to handle demanding conditions.

COMP Cams Hydraulic Roller Lifters Set 89341-16

Name: COMP Cams Evolution Series Hydraulic Roller Lifters - Set Of 16
Brand: COMP Cams
SKU: comp-cams-comp-cams-evolution-series-hydraulic-roller-lifters-set-of-16-t14-712499
Price: 831.88 USD
Availability: BackOrder

COMP Cams Evolution Series Hydraulic Roller Lifters - Set Of 16

$831.88

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

COMP Cams Evolution Series Hydraulic Roller Lifters - Set Of 16. Hyd Roller Lifter.

Key Features

Set includes 16 hydraulic roller lifters for a complete engine build.
Features patented Hydraulic Cartridge Technology (HCT) for consistent performance.
Reduced oil volume within the cartridge is less affected by aeration, ensuring stable bleed rates.
Designed for quiet operation, significantly reducing startup noise.
Stiff lifter body construction minimizes distortion for reliable hydraulic function.
Hydraulic element is serviceable, allowing for rebuilds by the user.

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Product Details

If you're rebuilding the top end of a high-performance engine and need lifters that can keep up, COMP Cams Evolution Series Hydraulic Roller Lifters are a solid choice. These aren't just a standard replacement; they're a completely new design built from the ground up to handle the demands of modern performance builds, offering both durability and consistent operation.

What sets these lifters apart is their patented Hydraulic Cartridge Technology (HCT). This unique design features a self-contained hydraulic cartridge with a reduced oil volume. This setup is less affected by oil aeration, leading to more consistent bleed rates across all 16 lifters in the set. This consistency means you get reliable performance, especially at higher RPMs, and it greatly reduces startup noise. The HCT design also creates a very stiff lifter body, minimizing distortion and further ensuring that hydraulic performance stays steady, even under stress.

Beyond their performance, these lifters are also designed for serviceability. The hydraulic element can be rebuilt by the user, which is a notable feature for those who like to work on their own engines. This combination of advanced design, consistent operation, quiet running, and user serviceability makes the Evolution Series a strong option for serious engine builds.