Features: 1.This valve spring can be easily installed by a wrench, more convenient. 2.Easy to remove and install valve spring , saving time and effort. 3.The installation tool has less pressure on the casting, convenient for intallation. 4.This LS1/LS2 kit works for both the intake and exhaust valves of La Cathedral port cylinder heads. 5.Simply screw the tool in place of the rocker arm, insert the square drive of a standard switch bar or socket wrench into the left or right side of the tool, and pry down to compress the spring. Specification: Condition: 100% brand new_x000D_ Item Type: Valve spring compressor tool_x000D_ Material: Aluminum alloy_x000D_ Color: Black + red_x000D_ Fitment: _x000D_ Fit for intake and exhaust valves of La Cathedral port cylinder heads_x000D_ Fit for LS2/LS1 PackageList: 1 x Valve Spring Compressor Installation Tool(With 2 Installation Screw) Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.