Dual Valve Spring 92 psi @ 40.4mm lift
Comes with the standard Supertech Titanium retainers
Includes valve seats seals & keepers for upgrade to dual valve springs
K-Series Engine
Specs:
ALL NEW 8620 Billet Material
2.2 ENDURANCE
Intake: 13.5 mm Lift / .250 Duration @ .050
Exhaust: 12.2 mm Lift / .246 Duration @ .050
003.2
Intake: 13.8 mm Lift / 254 Duration @ .050
Exhaust: 13.2 mm Lift / 250 Duration @ .050
004
Intake: 14.5 mm Lift / .275 Duration @ .050
Exhaust: 13.2 mm Lift / .272 Duration @ .050
004.5
Intake: 14.5 mm Lift / .276 Duration @ .050
Exhaust: 13.7 mm Lift / .274 Duration @ .050
