What is the main advantage of using roller lifters over flat tappet lifters?

Roller lifters significantly reduce friction in the valvetrain because the roller wheel contacts the camshaft lobe instead of a flat surface. This allows for more aggressive camshaft profiles, improved horsepower, and longer component life.

Why is the .300" taller body important for these lifters?

The taller body is specifically designed to work with many aftermarket camshafts that have higher lift profiles. This ensures correct geometry between the lifter, pushrod, and rocker arm, which is essential for proper valvetrain function and durability.

Does this set include everything needed for installation?

This set includes 16 lifters, which is the correct quantity for a V8 engine. However, you will also need to ensure you have the correct pushrods and rocker arms for your specific camshaft and cylinder head combination, as these are not included.

COMP Cams Solid Roller Lifters 866-16 for Chevy Big Block

Name: COMP Cams Roller Lifters CB Street & Ma
Brand: COMP Cams
Price: 890.24 USD
Availability: InStock

COMP Cams Roller Lifters CB Street & Ma

$890.24

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

COMP Cams Roller Lifters CB Street & Ma. These lifters are built for street and marine use, featuring a taller body and cutaway design for improved oiling.

Key Features

Fits a wide range of Chevrolet, Buick, Oldsmobile, and GMC vehicles.
Set of 16 solid roller lifters for V8 engines.
.300" taller body designed for street and marine applications.
Cutaway body design promotes improved oil flow.
Designed for use with higher lift camshafts.
Reduces valvetrain friction compared to flat tappet lifters.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

If you're rebuilding the top end of your Chevrolet Big Block V8, especially for street or marine applications, a solid set of roller lifters is key to unlocking performance and durability. These COMP Cams Endure-X Solid Roller Lifters are designed to handle the demands of higher lift camshafts while reducing friction compared to flat tappet designs. They fit a wide range of vehicles, including classic Chevrolet Impalas, Buick Electras, and even later model Chevrolet C/K trucks from the 90s.

What sets these lifters apart is their .300" taller body, which is specifically engineered for street and marine use. This increased height ensures proper geometry with many aftermarket camshafts, especially those with higher lift profiles. The cutaway body design is another smart feature, allowing for better oil flow around the lifter and down the pushrod, which is crucial for keeping valvetrain components properly lubricated under stress. This improved oiling helps reduce wear and maintain consistent performance, especially in applications where the engine might be run for extended periods.

This set includes 16 lifters, enough for a complete V8 engine. They are built with robust materials to withstand the forces associated with solid roller valvetrains. When installing, always refer to your specific engine's service manual for proper pushrod length and valve lash settings, as these can vary depending on your camshaft and cylinder head combination.