Performance EL series valve opening fixture test kit for Harley Davidson Milwaukee 8 107cid 4 valve cylinder heads. This kit allows the flowbench tech to flow test a 4 valve M8 intake side or exhaust side of the cylinder head on there flowbench up to .700″ + lift. Items included are aluminum mounting bracket, 1″ travel adjustable dial indicator, stainless stud and mounting hardware. 2 adjustable swivel clamps, 5/16″ dia x 4″ long stainless rod, 4 valve adapter bracket and 2 lite test springs. Cylinder head is not included.(Bore fixture purchasedseparately.)Please e-mail with questions.