20-22450 Steel, 0.415" Lift, HD® Shovelhead 74", 1966-1977

$ 219.96

KPMI® complete Valve Spring Kit that meets or exceeds OEM specifications

Seals (where applicable)

Keeper (where applicable)

KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.

Type Intake/ Exhaust

Retainer Material H.T. Steel

Valve Lift 0.415"

Installed Height 1.375"

Seat Pressure 129#

Open Pressure #272

@ Lift 0.415"

Valve Type Intake / Exhaust

Valve Material Black Diamond™ Stainless

Coating Black Nitroneg

Intake Head Diameter 49.53mm / 1.950"

Intake Stem Diameter 9.6mm / 0.3765"

Intake Tulip 23°

Intake Overall Length 3.885”

Exhaust Head Diameter 44.45mm / 1.750”

Exhaust Stem Diameter 9.6mm / 0.3760"

Exhaust Tulip 29°

Exhaust Overall Length 3.810"

Remarks Standard

Note The basewasher is counterbored to fit a 0.665” outside diameter seal.