Ferrea 6000 Series Competition Exhaust Valve 29mm Mitsubishi EVO X (QTY 8) vendor_Subaru Japan Spring Rates: (F) 12kg/mm (R)

Spring Rates: (F) 12kg/mm (R) 8kg/mm

It is also not slippery and will not rattle like some metal knobs do

Spring Size (R): 225mm L / 70mm ID

With a choice of inlet and outlet connections the RS valve can be matched to your engine perfectly

Reduces cavitation and complexes with hard water to reduce scaling

Ferrea 6000 Series Competition Exhaust Valve 29mm Mitsubishi EVO X (QTY 8) vendor_Subaru Japan Spring Rates: (F) 12kg/mm (R)Part #: F6292 MITSUBISHI EVOLUTION X (2007 2016) EXHAUST, STOCK SIZE 6000 SERIES COMPETITION VALVES 2. 0L DOHC 16 Valve (4B11T) Specs: Exhaust Head Diameter: 29 mm Stem Diameter: 5. 46 mm Overall Length: 105. 90 mm Tip Length: 2. 32 mm Reference: 25" Flo. Stock size. Single Groove. Special Alloy