Engine Valve Spring Compressor On-Engine Shaft Mounted For Small Block Chrysler V8 Engine Cylinder Heads Black Steel ProformHeavy duty shaft mounted spring compressor makes removing valve springs a snap while the cylinder heads are still on the engine. Bolt the tool shaft in lieu of the rocker shaft, place the feet over retainer, put the handle on and pull down. Affordable and easy to use! Sold individually. Product Details: Engine Valve Spring Compressor On Engine Shaft Mounted Model For Small Block Chrysler V8 Engine Cylinder Heads Black Powdercoat Finish Made From High