Also referred to as a drum or sheave, the timing belt pulley supports changes in belt direction or movement. Timing belt pulleys work with timing belts to create a synchronous, non-slip transmission of movement. Instead of purchasing stock parts and modifying them separately, our clients buy timing belt pulleys exactly the way they want them – at an affordable price. As a client-oriented company, we are ready to listen, comprehend your specialized requirements, and provide innovative solutions. Made-to-order timing belt pulleys may be produced with other customer specified requirements such as: pitch, number of teeth, bore size (English or Metric), keyway, setscrews, lightening holes, and timing marks.Īre you searching for the right timing belt pulley to fit a specific need? We commonly work with manufacturers looking for customized equipment. Our kits provide everything needed with one part number: belt, tensioners, idler pulley(s), water pump, and seals and gaskets.STAINLESS STEEL, PLASTICS, ANYTHING IS POSSIBLE ILLINOIS PULLEY & GEAR PRODUCES MADE-TO-ORDER TIMING BELT PULLEYS TO EXACTING CUSTOMER SPECIFICATIONS. And it would be a shame to have to do the job all over again if the old pump were to fail shortly afterward. Although it may appear OK when the belt is serviced, its negligible cost compared to the cost of the labor to access it makes pump replacement with the belt the smart move. On many engines the timing belt also drives the water pump. However, components like automatic tensioners and idler pulleys should always be replaced when a new belt is installed to ensure proper engine performance. Although it is common practice to reuse crankshaft and camshaft pulleys, these components should be inspected for wear and imbedded dirt that could interfere with the new belt. Any of these conditions are cause for belt replacement regardless of mileage, but even if the belt looks perfect at the recommended replacement mileage, it should not be reused. If access to the belt is possible, it should be inspected for cracks, missing teeth, frayed or exposed fiber reinforcement, and oil or coolant contamination. Belt damage or a worn tensioner can cause the belt to jump time, resulting in poor performance or an engine that won’t run at all. But a belt doesn’t have to fail completely to affect engine performance. Even worse, many engines are “interference” engines, and on these engines the pistons will contact the open valves, causing expensive engine damage. A timing belt can break without notice and when that happens your engine will stop. The manufacturer’s replacement interval can be found in your owner’s manual and this maintenance should not be ignored. The last factor has progressed even further, with improved materials stretching belt replacement intervals from about 30,000 miles when they were first used, to 60,000 miles or more today.īut such improvements in reliability shouldn’t inspire complacency. The timing belt drives the cam(s) and keeps the engine precisely timed with the aid of a tensioner and idler pulley(s).Īt one time, chains and gears were the camshaft drives of choice, but as overhead cam engines became more and more prevalent, engineers found that belts were more easily routed, ran quietly, didn’t require lubrication, were less expensive, and reliable. The camshaft operates the valves, and valve opening and closing must be perfectly synchronized with the up and down movement of the pistons for optimal engine performance. The camshaft(s) on many Single Over Head Cam (SOHC) and Double Over Head Cam (DOHC) engines are driven by the crankshaft via a timing belt. They are available in a complete range of sizes, types, configurations and materials to contribute to the efficiency, economy and performance of your drive. 350 Chevy Small Block Gen II (4.00 Bore Family) Bando Synchro-Link Timing Belt Pulleys are manufactured to exacting tolerances to assure total drive system compatibility.
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