COMP Cams Hustler Short Travel Hydraulic Roller Lifters GM 603/604 - Set of 16 ST123-16 Suspension controlled ride quality with rapid

controlled ride quality with rapid suspension response

Installation is a breeze with the included hardware and comprehensive instructions

Hard panel construction withstands corrosive environments where standard automotive mirrors fail

Each unit features beautifully executed pie-cut sections and high-quality TIG welds for superior strength

Easy Installation - Direct replacement design ensures straightforward installation process

COMP Cams Hustler Short Travel Hydraulic Roller Lifters GM 603/604 - Set of 16 ST123-16 Suspension controlled ride quality with rapidHustler Lifters feature reduced internal piston travel for increased stiffness and greater valve lift when compared to stock lifters in Sealed GM 603 and 604 crate and 1987 1998 GM small block engines. The short travel design also increases responsiveness, allowing for quicker recovery from any valve float or bad harmonics in the valve train.