650cc FIC Honda J-Series ('04+) Fuel Injector Clinic Injector Set (High-Z) (is119-0650h) Wiring Adapters:PGTUSC6 The most important thing is

The most important thing is not the advertised spring pressure

This is not a sign of a malfunctioning regulator

Included springs are made of high-tensile steel SAE9254 (tensile strength 200kgf/mm2 or over) and cold formed for excellent resistance to sagging and for superior quality stability

SUITS: Engines with up to 8 cylinders or up to 4 rotors

650cc FIC Honda J-Series ('04+) Fuel Injector Clinic Injector Set (High-Z) (is119-0650h) Wiring Adapters:PGTUSC6 The most important thing isHonda J Series ('04+) Fuel Injector Clinic Injector Set: 6x650cc Saturated High Impedance Ball & Seat Injectors. These injectors utilize the latest technology and provide great linearity and short pulse width repeatability. Includes pigtails PGT USC6 or add Plug & Play adaptors PADPUtoH6. This injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered and the results