HKS Turbo Timer Type-0 Brand HKS Product Code Turbo Timer Type-0 Description - Compact polyurethane casing- Back-lit button- Multiple presets- Large dual color LCD panel - Volt meter function to monitor battery power- Auto mode feature that adjusts engine idle time according to driving patterns. Turbo Timer Type-1 Brand HKS Product Code Turbo Timer Type-1 Description - All features of type-0 plus ; - Multiple prestes - Speed warning display - Two-stage engine RPM warning display - 0-400 meter acceleration time measurement - Stopwatch features for lap timing Super SQV Brand HKS Product Code HKS-SUPER SQV Description Dual stage pull type relief valve - unlike other blow off valves that are push type, the SSQV will not leak under high boost conditions nor under vacuum at idle. Being of a pull type valve structure, the SSQV can not physically leak under any level of boost because boost pressure also keeps the valve closed against its seat. The SSQV is actuated by pressure alterations on.y, not by the rate of pressure of vacuum in the line, which ensures a quick valve response and complete closure during idle.