The COMP Cams HRT Stage 1 hydraulic roller master cam kit is developed for 2009+ Dodge Hemi 5.7L and 6.4L VVT engines and is optimized for turbo and supercharged applications. HRT lobes use Low Shock Technology and receive Micro Surface Enhancement (MSE) for improved load bearing. These camshafts require a DOD delete kit and upgraded valve springs; some 5.7–6.4 VVT applications also need a phaser limiter or lock kit as specified.
COMP Cams 09+ Dodge Hemi 5.7/6.4 V8 VVT Stage 1 SC HRT 221/233 Hydraulic Roller Master Cam Kit