Product description
The Kibblewhite Valve Spring Kit For Kawasaki KZ 1000 1977-1983 (US Models) is part of the latest collection from Kibblewhite.
Features:
- Extensive R&D on all applications to provide high-performance components that last longer than OEM
- Super-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular intervals to check for flaws
- Keepers not included; use OEM keepers and bases, as noted
- Valves and guides are sold each; spring kits come complete for one motor and include instructions
- All components made in the U.S.A.
Specifications:
- Product Name: Spring
- Spring Lift Imperial: 0.425"
- Spring Lift: 0.425"
- Spring Open Pressure: 245 lb
- Spring Seat Pressure: 90 lb
- Type: Valve
- Units: Kit
To fit:
- KAWASAKI KZ 1000 1977 LTD American Models
- KAWASAKI KZ 1000 1977 American Models
- KAWASAKI KZ 1000 1978 LTD American Models
- KAWASAKI KZ 1000 1978 Z1R American Models
- KAWASAKI KZ 1000 1978 American Models
- KAWASAKI KZ 1000 1979 LTD American Models
- KAWASAKI KZ 1000 1979 MK2 American Models
- KAWASAKI KZ 1000 1979 ST American Models
- KAWASAKI KZ 1000 1979 Z1R American Models
- KAWASAKI KZ 1000 1980 LTD American Models
- KAWASAKI KZ 1000 1980 MK2 American Models
- KAWASAKI KZ 1000 1980 ST American Models
- KAWASAKI KZ 1000 1980 Z1R American Models
- KAWASAKI KZ 1000 1980 American Models
- KAWASAKI KZ 1000 1981 CSR American Models
- KAWASAKI KZ 1000 1981 LTD American Models
- KAWASAKI KZ 1000 1981 American Models
- KAWASAKI KZ 1000 1982 CSR American Models
- KAWASAKI KZ 1000 1982 Eddie Lawson Replica American Models
- KAWASAKI KZ 1000 1982 LTD American Models
- KAWASAKI KZ 1000 1982 American Models
- KAWASAKI KZ 1000 1983 Eddie Lawson Replica American Models
- KAWASAKI KZ 900 1976 LTD All Models
- KAWASAKI KZ 900 1976 All Models
- KAWASAKI Z1 900 1973 All Models
- KAWASAKI Z1 900 1974 All Models
- KAWASAKI Z1 900 1975 All Models
- KAWASAKI Z 1000 1977 European Models
- KAWASAKI Z 1000 1978 Z1R European Models
- KAWASAKI Z 1000 1978 European Models
- KAWASAKI Z 1000 1979 MK2 European Models
- KAWASAKI Z 1000 1979 ST European Models
- KAWASAKI Z 1000 1979 Z1R European Models
- KAWASAKI Z 1000 1979 European Models
- KAWASAKI Z 1000 1980 Injection European Models
- KAWASAKI Z 1000 1980 MK2 European Models
- KAWASAKI Z 1000 1980 ST European Models
- KAWASAKI Z 1000 1980 Z1R European Models
- KAWASAKI Z 1000 1981 LTD European Models
- KAWASAKI Z 1000 1981 European Models
- KAWASAKI Z 1000 1982 Eddie Lawson Replica European Models
- KAWASAKI Z 1000 1982 LTD European Models
- KAWASAKI Z 1000 1982 European Models
- KAWASAKI Z 1000 1983 Eddie Lawson Replica European Models
Manufacturer part number: 40-0449
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite Valve Spring Kit For Kawasaki KZ 1000 1977-1983 (US Models)
To fit:
- KAWASAKI KZ 1000 1977 LTD American Models
- KAWASAKI KZ 1000 1977 American Models
- KAWASAKI KZ 1000 1978 LTD American Models
- KAWASAKI KZ 1000 1978 Z1R American Models
- KAWASAKI KZ 1000 1978 American Models
- KAWASAKI KZ 1000 1979 LTD American Models
- KAWASAKI KZ 1000 1979 MK2 American Models
- KAWASAKI KZ 1000 1979 ST American Models
- KAWASAKI KZ 1000 1979 Z1R American Models
- KAWASAKI KZ 1000 1980 LTD American Models
- KAWASAKI KZ 1000 1980 MK2 American Models
- KAWASAKI KZ 1000 1980 ST American Models
- KAWASAKI KZ 1000 1980 Z1R American Models
- KAWASAKI KZ 1000 1980 American Models
- KAWASAKI KZ 1000 1981 CSR American Models
- KAWASAKI KZ 1000 1981 LTD American Models
- KAWASAKI KZ 1000 1981 American Models
- KAWASAKI KZ 1000 1982 CSR American Models
- KAWASAKI KZ 1000 1982 Eddie Lawson Replica American Models
- KAWASAKI KZ 1000 1982 LTD American Models
- KAWASAKI KZ 1000 1982 American Models
- KAWASAKI KZ 1000 1983 Eddie Lawson Replica American Models
- KAWASAKI KZ 900 1976 LTD All Models
- KAWASAKI KZ 900 1976 All Models
- KAWASAKI Z1 900 1973 All Models
- KAWASAKI Z1 900 1974 All Models
- KAWASAKI Z1 900 1975 All Models
- KAWASAKI Z 1000 1977 European Models
- KAWASAKI Z 1000 1978 Z1R European Models
- KAWASAKI Z 1000 1978 European Models
- KAWASAKI Z 1000 1979 MK2 European Models
- KAWASAKI Z 1000 1979 ST European Models
- KAWASAKI Z 1000 1979 Z1R European Models
- KAWASAKI Z 1000 1979 European Models
- KAWASAKI Z 1000 1980 Injection European Models
- KAWASAKI Z 1000 1980 MK2 European Models
- KAWASAKI Z 1000 1980 ST European Models
- KAWASAKI Z 1000 1980 Z1R European Models
- KAWASAKI Z 1000 1981 LTD European Models
- KAWASAKI Z 1000 1981 European Models
- KAWASAKI Z 1000 1982 Eddie Lawson Replica European Models
- KAWASAKI Z 1000 1982 LTD European Models
- KAWASAKI Z 1000 1982 European Models
- KAWASAKI Z 1000 1983 Eddie Lawson Replica European Models

Kibblewhite Precision Machining is a top-tier manufacturer of high performance valvetrain components for motorcycles, ATVs, and powersports engines. Known for engineering excellence and race proven reliability, Kibblewhite produces valves, springs, and guides used by professionals and enthusiasts alike. Their products are crafted in the USA for maximum strength, durability, and precision.
Product description
The Kibblewhite Valve Spring Kit For Kawasaki KZ 1000 1977-1983 (US Models) is part of the latest collection from Kibblewhite.
Features:
- Extensive R&D on all applications to provide high-performance components that last longer than OEM
- Super-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular intervals to check for flaws
- Keepers not included; use OEM keepers and bases, as noted
- Valves and guides are sold each; spring kits come complete for one motor and include instructions
- All components made in the U.S.A.
Specifications:
- Product Name: Spring
- Spring Lift Imperial: 0.425"
- Spring Lift: 0.425"
- Spring Open Pressure: 245 lb
- Spring Seat Pressure: 90 lb
- Type: Valve
- Units: Kit
To fit:
- KAWASAKI KZ 1000 1977 LTD American Models
- KAWASAKI KZ 1000 1977 American Models
- KAWASAKI KZ 1000 1978 LTD American Models
- KAWASAKI KZ 1000 1978 Z1R American Models
- KAWASAKI KZ 1000 1978 American Models
- KAWASAKI KZ 1000 1979 LTD American Models
- KAWASAKI KZ 1000 1979 MK2 American Models
- KAWASAKI KZ 1000 1979 ST American Models
- KAWASAKI KZ 1000 1979 Z1R American Models
- KAWASAKI KZ 1000 1980 LTD American Models
- KAWASAKI KZ 1000 1980 MK2 American Models
- KAWASAKI KZ 1000 1980 ST American Models
- KAWASAKI KZ 1000 1980 Z1R American Models
- KAWASAKI KZ 1000 1980 American Models
- KAWASAKI KZ 1000 1981 CSR American Models
- KAWASAKI KZ 1000 1981 LTD American Models
- KAWASAKI KZ 1000 1981 American Models
- KAWASAKI KZ 1000 1982 CSR American Models
- KAWASAKI KZ 1000 1982 Eddie Lawson Replica American Models
- KAWASAKI KZ 1000 1982 LTD American Models
- KAWASAKI KZ 1000 1982 American Models
- KAWASAKI KZ 1000 1983 Eddie Lawson Replica American Models
- KAWASAKI KZ 900 1976 LTD All Models
- KAWASAKI KZ 900 1976 All Models
- KAWASAKI Z1 900 1973 All Models
- KAWASAKI Z1 900 1974 All Models
- KAWASAKI Z1 900 1975 All Models
- KAWASAKI Z 1000 1977 European Models
- KAWASAKI Z 1000 1978 Z1R European Models
- KAWASAKI Z 1000 1978 European Models
- KAWASAKI Z 1000 1979 MK2 European Models
- KAWASAKI Z 1000 1979 ST European Models
- KAWASAKI Z 1000 1979 Z1R European Models
- KAWASAKI Z 1000 1979 European Models
- KAWASAKI Z 1000 1980 Injection European Models
- KAWASAKI Z 1000 1980 MK2 European Models
- KAWASAKI Z 1000 1980 ST European Models
- KAWASAKI Z 1000 1980 Z1R European Models
- KAWASAKI Z 1000 1981 LTD European Models
- KAWASAKI Z 1000 1981 European Models
- KAWASAKI Z 1000 1982 Eddie Lawson Replica European Models
- KAWASAKI Z 1000 1982 LTD European Models
- KAWASAKI Z 1000 1982 European Models
- KAWASAKI Z 1000 1983 Eddie Lawson Replica European Models
Manufacturer part number: 40-0449
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite Valve Spring Kit For Kawasaki KZ 1000 1977-1983 (US Models)
To fit:
- KAWASAKI KZ 1000 1977 LTD American Models
- KAWASAKI KZ 1000 1977 American Models
- KAWASAKI KZ 1000 1978 LTD American Models
- KAWASAKI KZ 1000 1978 Z1R American Models
- KAWASAKI KZ 1000 1978 American Models
- KAWASAKI KZ 1000 1979 LTD American Models
- KAWASAKI KZ 1000 1979 MK2 American Models
- KAWASAKI KZ 1000 1979 ST American Models
- KAWASAKI KZ 1000 1979 Z1R American Models
- KAWASAKI KZ 1000 1980 LTD American Models
- KAWASAKI KZ 1000 1980 MK2 American Models
- KAWASAKI KZ 1000 1980 ST American Models
- KAWASAKI KZ 1000 1980 Z1R American Models
- KAWASAKI KZ 1000 1980 American Models
- KAWASAKI KZ 1000 1981 CSR American Models
- KAWASAKI KZ 1000 1981 LTD American Models
- KAWASAKI KZ 1000 1981 American Models
- KAWASAKI KZ 1000 1982 CSR American Models
- KAWASAKI KZ 1000 1982 Eddie Lawson Replica American Models
- KAWASAKI KZ 1000 1982 LTD American Models
- KAWASAKI KZ 1000 1982 American Models
- KAWASAKI KZ 1000 1983 Eddie Lawson Replica American Models
- KAWASAKI KZ 900 1976 LTD All Models
- KAWASAKI KZ 900 1976 All Models
- KAWASAKI Z1 900 1973 All Models
- KAWASAKI Z1 900 1974 All Models
- KAWASAKI Z1 900 1975 All Models
- KAWASAKI Z 1000 1977 European Models
- KAWASAKI Z 1000 1978 Z1R European Models
- KAWASAKI Z 1000 1978 European Models
- KAWASAKI Z 1000 1979 MK2 European Models
- KAWASAKI Z 1000 1979 ST European Models
- KAWASAKI Z 1000 1979 Z1R European Models
- KAWASAKI Z 1000 1979 European Models
- KAWASAKI Z 1000 1980 Injection European Models
- KAWASAKI Z 1000 1980 MK2 European Models
- KAWASAKI Z 1000 1980 ST European Models
- KAWASAKI Z 1000 1980 Z1R European Models
- KAWASAKI Z 1000 1981 LTD European Models
- KAWASAKI Z 1000 1981 European Models
- KAWASAKI Z 1000 1982 Eddie Lawson Replica European Models
- KAWASAKI Z 1000 1982 LTD European Models
- KAWASAKI Z 1000 1982 European Models
- KAWASAKI Z 1000 1983 Eddie Lawson Replica European Models

Kibblewhite Precision Machining is a top-tier manufacturer of high performance valvetrain components for motorcycles, ATVs, and powersports engines. Known for engineering excellence and race proven reliability, Kibblewhite produces valves, springs, and guides used by professionals and enthusiasts alike. Their products are crafted in the USA for maximum strength, durability, and precision.































