Engine Valve Kit — Black Diamond™ stainless, head dia 49.53/44.45 mm, stem 9.60 mm

KIBBLEWHITE Engine Valve Kit — Black Diamond™ stainless, head dia 49.53/44.45 mm, stem 9.60 mm – 66-77 Big Twin, 66-77 Sportster

KIBBLEWHITE
0926-3314
20-22450
Complete valve kit with Black Diamond™ stainless valves, springs, keepers and seals; sold per engine. Compatible with leaded and unleaded fuels. Made in the USA.
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Complete valve kit supplied with a KPMI® or equivalent valve spring kit, a full set of Black Diamond™ stainless steel standard-size valves with black nitride coating, heat-treated steel valve keepers and valve stem seals where applicable. ⚙️

Black Diamond™ valves are forged one-piece stainless steel treated with a special German process to reduce friction and improve wear properties, while White Diamond® valves are CNC machined from a one-piece forging and hard chromed for exceptional durability.

Compatible with leaded and unleaded fuels and sold as a complete kit for one engine.

Kit includes:

  • 2x Intake Valves
  • 2x Exhaust Valves
  • 4x Intake and Exhaust Retainers
  • 4x Pairs of Intake and Exhaust Keepers
  • 4x Intake and Exhaust Valve Springs
  • 4x Intake and Exhaust Base Washers
  • 4x Intake and Exhaust Red Vinton® Seals

Made in the USA.

: 0926-3314
In Stock

Data sheet

Units
Kit
Brand
KIBBLEWHITE
Length
Intake 3,885", Exhaust 3,810"
Intake 3.885", Exhaust 3.810"
Application
Intake, Exhaust
Spring Seat Pressure
129 lb
Spring Open Pressure
272 lb
Spring Lift
0,415"
0.415"
Tulip Angle
Intake 23°, Exhaust 29°
Head Diameter
Intake 1,950", Exhaust 1,750"
Intake 1.950", Exhaust 1.750"
Intake 49.53 mm, Exhaust 44.45 mm
Collar Material
H.T. Steel
Stem Diameter
Intake 0,3765", Exhaust 0,3760"
Intake 0.3765", Exhaust 0.3760"
Intake 9.60 mm, Exhaust 9.60 mm
Valve Seat Height
1,375"
1.375"
Material
Black Diamond™ Stainless
Harley Family
Sportster
Vintage Big Twin

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Electra Glide Big Twin 1970
Harley Davidson Electra Glide Big Twin 1971
Harley Davidson Electra Glide Big Twin 1972
Harley Davidson Electra Glide Big Twin 1973
Harley Davidson Electra Glide Big Twin 1974
Harley Davidson Electra Glide Big Twin 1975
Harley Davidson Electra Glide Big Twin 1976
Harley Davidson Electra Glide Big Twin 1977
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Electra Glide Big Twin 1970
Harley Davidson Electra Glide Big Twin 1971
Harley Davidson Electra Glide Big Twin 1972
Harley Davidson Electra Glide Big Twin 1973
Harley Davidson Electra Glide Big Twin 1974
Harley Davidson Electra Glide Big Twin 1975
Harley Davidson Electra Glide Big Twin 1976
Harley Davidson Electra Glide Big Twin 1977
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Super Glide Big Twin 1971
Harley Davidson Super Glide Big Twin 1972
Harley Davidson Super Glide Big Twin 1973
Harley Davidson Super Glide Big Twin 1974
Harley Davidson Super Glide Big Twin 1975
Harley Davidson Super Glide Big Twin 1976
Harley Davidson Super Glide Big Twin 1977
Harley Davidson Super Glide Big Twin 1974
Harley Davidson Super Glide Big Twin 1975
Harley Davidson Super Glide Big Twin 1976
Harley Davidson Super Glide Big Twin 1977
Harley Davidson Low Rider Big Twin 1977
Harley Davidson Sportster Sportster 1972
Harley Davidson Sportster Sportster 1973
Harley Davidson Sportster Sportster 1974
Harley Davidson Sportster Sportster 1975
Harley Davidson Sportster Sportster 1976
Harley Davidson Sportster Sportster 1977
Harley Davidson Sportster Sportster 1966
Harley Davidson Sportster Sportster 1967
Harley Davidson Sportster Sportster 1968
Harley Davidson Sportster Sportster 1969
Harley Davidson Sportster Sportster 1970
Harley Davidson Sportster Sportster 1971
Harley Davidson Cafe Racer Sportster 1977
Harley Davidson Sportster Sportster 1972
Harley Davidson Sportster Sportster 1973
Harley Davidson Sportster Sportster 1974
Harley Davidson Sportster Sportster 1975
Harley Davidson Sportster Sportster 1976
Harley Davidson Sportster Sportster 1977
Harley Davidson Sportster Sportster 1966
Harley Davidson Sportster Sportster 1967
Harley Davidson Sportster Sportster 1968
Harley Davidson Sportster Sportster 1969
Harley Davidson Sportster Sportster 1970
Harley Davidson Sportster Sportster 1971
Harley Davidson Sportster Sportster 1977