Peak Power Mfg. is a manufacturer and distributor of OEM parts for natural gas and diesel engines. We carry machined one and two-piece pre-ignition chambers and check valves from billet for the CAT 3600 engines. Peak Power will supply seal and gasket kits built to your exact specifications. We are a Bosch Spark Plug dealer supplying spark plug wires for the CAT G3300 engine. Our inventory also includes a selection of high quality ignition wiring and time sensors.