COMP Cams Evolution HCT Hydraulic Roller Lifters for Chevy Small Block 265-400, Part No. 85301-12

Description

The COMP Cams Evolution HCT (Hydraulic Cartridge Technology) lifters are engineered for high-performance Chevrolet small block engines ranging from 265 to 400 cubic inches. Featuring a patented hydraulic cartridge design, these lifters deliver unmatched consistency and quiet operation, making them ideal for demanding engine builds. The self-contained hydraulic cartridge with reduced oil volume minimizes effects of oil aeration, resulting in precise bleed rates and optimal responsiveness at high RPMs. This innovative design ensures smooth, reliable performance while significantly reducing startup noise, contributing to a quieter engine operation overall. The compact hydraulic cartridge also produces a highly responsive lifter with a stiff body, substantially reducing distortion under load and maintaining hydraulic performance during intense driving conditions. Designed from a clean sheet, the Evolution HCT lifters are not merely OE replacements but are built to meet the rigorous demands of modern high-performance engines, offering durability and precision that enthusiasts and professionals require. An industry first, these lifters feature a serviceable hydraulic element, allowing owners to rebuild and maintain them easily in their own garages, extending their lifespan and saving costs. These lifters are engineered to operate seamlessly within a variety of high-performance applications, providing excellent valve control, quieter operation, and consistent performance across the entire RPM range. Whether upgrading an existing engine or building a new high-powered setup, the COMP Cams Evolution HCT lifters deliver the performance, durability, and noise reduction that today’s performance engines demand. Their advanced design and reliable operation make them a preferred choice for serious engine builders seeking longevity and peak performance from their hydraulic lifters.

Features:

• Designed for high-performance Chevrolet small block engines 265-400 cubic inches

• Patented hydraulic cartridge technology for consistent performance

• Reduced oil volume minimizes effects of oil aeration

• Quiet operation ideal for noise-sensitive applications

• Highly responsive with a stiff lifter body to reduce distortion

• Serviceable hydraulic element allows for easy rebuilding

• Optimized for high RPM performance and durability