Do a check up on your engine and make sure it's running at peak performance with this kit. Whether you're at the race track or in your shop, this is a must have to make sure everything is correct under the hood. Valve Lash Wrench These valve lash adjusting wrenches make adjustment very easy, cutting the adjusting time in half. Simply position the adjusting handle wrench over the rocker arm lockdown, and drop the appropriate T-handle down through the hole in the wrench--with one hand doing the job of two. Two part steel tool makes it easy to accurately adjust your rockers. Each tool comes with two T-handle wrenches. Valve Lash Rocker Adjusting Wrench, 5/8 Inch w/ 3/16 and 7/32 In. T-Wrenches Feeler Gauge This precision feeler gauge from Performance Tool features 3" long blades with a .002" step for setting valve lash. The feeler gauge has 22 blades and measures from .004" to .025". Timing Light Professional set initial and advance timing to obtain total timing and peak performance. Super bright xenon flash, and a high Vis LED display. Designed for precise tuning and diagnostic work. Display engine speed up to 9,000 RPM, and ignition spark advance from 0-90º. Pushbutton control to adjust advance and switch between 4 and 2 cycle engines. Tough ABS shell, 60 in. inductive pickup leads and works with 12 volt systems. Remote Starter Button Crank your motor over from the engine compartment. Check compression, leakdown, set valves. Connects to starter motor or solenoid. Oil Filter Cutter Our oil filter cutter features a heavy-duty anodized 6061-T6 aluminum body, adjustable threaded steel shaft with a knurled knob for a secure grip, and razor-sharp cutter wheel hardened to 60RC makes opening oil filters simple and easy, and is built for the rigors of heavy use. Works on any standard 1-1/2 to 6-1/8 inch-diameter filter. Includes one cutter blade. Additional cutting wheels sold separately. See what is flowing through your engine and spot the warning signs before they cause serious damage. Compression Test Kit All sharp mechanics have always done plug readings to help them get peak engine performance. Now you can too, with this clever spark plug viewing light and magnifier. Batteries not included. Compact model includes carrying case, and is small enough to fit in your shirt pocket! Valve Spring Tester Fits Aluminum Rockers Only. Test tension up to 300 pounds quickly and accurately.Fits most shaft and stud assemblies. Mounts directly on aluminum rocker arm. Calibrated to within 3%. Versatile tool for checking valve seat pressure on an assembled engine. Allows for quick change of claws to fit various brands of aluminum rocker arms used in racing. Built-in 400 lb. reading scale. Manufactured from billet aluminum with a body pocket to fit taller adjuster nuts used on stud girdles. Kit Includes (1) Valve Lash Rocker Wrench, 5/8 In w/ 3/16 and 7/32 In. T-Wrenches (1) Performance Tool W80524 Valve Lash Feeler Gauges (1) Performance Tool W80587 Digital Advance Timing Light (1) Longacre® 52-45795 Billet Remote Starter Button (1) Speedway Engine Motor Oil Filter Cutter Tool (1) Compact Spark Plug Light and Magnifier (1) Compression Test Kit, Standard Gauge (1) Valve Spring Pressure Tester