FIT:Universal for Chevy LS Engine, cathedral port LS cylinder heads. (For more detailed models and years, please refer to product details).
FUNCTION:This tool allows the combustion chamber/cylinder to be filled with compressed air, which holds the valve closed while the valve spring is exchanged.
ADVANTAGES:High strength stud, CNC machined plate for a great fit and durability.
NOTE:Please take protective measures and Always use Eye protection and gloves.
SUPPORT:At PTNHZ, if you have any question about our product, please contact us right away, we can handle any problems.