Jun camshafts are manufactured to the highest quality after extensive configuration testing on the compatible vehicle. A CNC master-less grinder with high processing accuracy is used for grinding the camshafts very accurately to the required specification. Â
Features
- 264 degree duration camshafts require reinforced valve spring
- 272 degree duration camshafts for inner shim (under bucket) type and also require reinforced valve springs
- VC = Valve Clearance in cool condition
Notes
- Further information available from the Jun camshaft website.Â
We ship to the United States and 150 other countries.
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| Vehicle | Part | Type | Duration | Lift | Price | Order | |
|---|---|---|---|---|---|---|---|
| 1004M-F104 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Exhaust | 256 degrees | 9.0 mm | | | |
| 1004M-F105 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Exhaust | 264 degrees | 9.0 mm | | | |
| 1004M-F106 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Exhaust | 272 degrees | 9.0 mm | | | |
| 1004M-F004 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Intake | 256 degrees | 9.0 mm | | | |
| 1004M-F005 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Intake | 264 degrees | 9.0 mm | | | |
| 1004M-F006 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Intake | 272 degrees | 9.0 mm | | | |
| 1004M-F101 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied D-E (EJ20K-SHIM) | Exhaust | 256 degrees | 9.0 mm | | | ||
| 1004M-F001 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied D-E (EJ20K-SHIM) | Intake | 256 degrees | 9.0 mm | | | ||
| 1004M-F102 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied D-E (EJ20K-SHIM) | It is for Inner shim (under bucket) type. REQUIRED: Cam lobe refuge machining/REQUIRED: Reinforced valve spring | Exhaust | 264 degrees | 9.5 mm | | | |
| 1004M-F103 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied D-E (EJ20K-SHIM) | It is for Inner shim (under bucket) type. REQUIRED: Cam lobe refuge machining/REQUIRED: Reinforced valve spring | Exhaust | 272 degrees | 10.3 mm | | ||
| 1004M-F002 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied D-E (EJ20K-SHIM) | It is for Inner shim (under bucket) type. REQUIRED: Cam lobe refuge machining/REQUIRED: Reinforced valve spring | Intake | 264 degrees | 9.5 mm | | | |
| 1004M-F003 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied D-E (EJ20K-SHIM) | It is for Inner shim (under bucket) type. REQUIRED: Cam lobe refuge machining/REQUIRED: Reinforced valve spring | Intake | 272 degrees | 10.3 mm | | ||
| 1004M-F111 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | Exhaust | 256 degrees | 9.0 mm | | | ||
| 1004M-F011 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | Intake | 256 degrees | 9.0 mm | | | ||
| 1004M-F113 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | It is for Inner shim (under bucket) type. REQUIRED: Reinforced valve spring | Exhaust | 272 degrees | 10.3 mm | | | |
| 1004M-F013 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | It is for Inner shim (under bucket) type. REQUIRED: Reinforced valve spring | Intake | 272 degrees | 10.3 mm | | | |
| 1004M-F112 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | REQUIRED: Reinforced valve spring | Exhaust | 264 degrees | 9.5 mm | | | |
| 1004M-F012 | |||||||
| Impreza Sports Wagon WRX - GF8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | REQUIRED: Reinforced valve spring | Intake | 264 degrees | 9.5 mm | | | |
| 1004M-F104 | |||||||
| Impreza WRX - GC8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Exhaust | 256 degrees | 9.0 mm | | | |
| 1004M-F105 | |||||||
| Impreza WRX - GC8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Exhaust | 264 degrees | 9.0 mm | | | |
| 1004M-F106 | |||||||
| Impreza WRX - GC8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Exhaust | 272 degrees | 9.0 mm | | | |
| 1004M-F004 | |||||||
| Impreza WRX - GC8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Intake | 256 degrees | 9.0 mm | | | |
| 1004M-F005 | |||||||
| Impreza WRX - GC8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Intake | 264 degrees | 9.0 mm | | | |
| 1004M-F006 | |||||||
| Impreza WRX - GC8 WRX - Applied A-C (EJ20G-HLA) | REQUIRED: Cam lobe refuge machining | Intake | 272 degrees | 9.0 mm | | | |
| 1004M-F101 | |||||||
| Impreza WRX - GC8 WRX - Applied D-E (EJ20K-SHIM) | Exhaust | 256 degrees | 9.0 mm | | | ||
| 1004M-F001 | |||||||
| Impreza WRX - GC8 WRX - Applied D-E (EJ20K-SHIM) | Intake | 256 degrees | 9.0 mm | | | ||
| 1004M-F102 | |||||||
| Impreza WRX - GC8 WRX - Applied D-E (EJ20K-SHIM) | It is for Inner shim (under bucket) type. REQUIRED: Cam lobe refuge machining/REQUIRED: Reinforced valve spring | Exhaust | 264 degrees | 9.5 mm | | | |
| 1004M-F103 | |||||||
| Impreza WRX - GC8 WRX - Applied D-E (EJ20K-SHIM) | It is for Inner shim (under bucket) type. REQUIRED: Cam lobe refuge machining/REQUIRED: Reinforced valve spring | Exhaust | 272 degrees | 10.3 mm | | ||
| 1004M-F002 | |||||||
| Impreza WRX - GC8 WRX - Applied D-E (EJ20K-SHIM) | It is for Inner shim (under bucket) type. REQUIRED: Cam lobe refuge machining/REQUIRED: Reinforced valve spring | Intake | 264 degrees | 9.5 mm | | | |
| 1004M-F003 | |||||||
| Impreza WRX - GC8 WRX - Applied D-E (EJ20K-SHIM) | It is for Inner shim (under bucket) type. REQUIRED: Cam lobe refuge machining/REQUIRED: Reinforced valve spring | Intake | 272 degrees | 10.3 mm | | ||
| 1004M-F111 | |||||||
| Impreza WRX - GC8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | Exhaust | 256 degrees | 9.0 mm | | | ||
| 1004M-F011 | |||||||
| Impreza WRX - GC8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | Intake | 256 degrees | 9.0 mm | | | ||
| 1004M-F113 | |||||||
| Impreza WRX - GC8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | It is for Inner shim (under bucket) type. REQUIRED: Reinforced valve spring | Exhaust | 272 degrees | 10.3 mm | | | |
| 1004M-F013 | |||||||
| Impreza WRX - GC8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | It is for Inner shim (under bucket) type. REQUIRED: Reinforced valve spring | Intake | 272 degrees | 10.3 mm | | | |
| 1004M-F112 | |||||||
| Impreza WRX - GC8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | REQUIRED: Reinforced valve spring | Exhaust | 264 degrees | 9.5 mm | | | |
| 1004M-F012 | |||||||
| Impreza WRX - GC8 WRX - Applied F-G (EJ205/EJ207 w/o AVCS) | REQUIRED: Reinforced valve spring | Intake | 264 degrees | 9.5 mm | | | |
JUN Auto Mechanic was founded by Junichi Tanaka, starting as the research arm of Tanaka Industrial, and is known in Japan for engine building and top speed. In 1991 a JUN 300ZX reached 422 km/h at Bonneville, and in 2001 its Supra went past 400 km/h.
That engine work is what JUN still sells: forged pistons, stroker kits, camshafts, valves and valve springs, oil pans and engine internals for the Skyline GT-R, Supra, Silvia and other Japanese performance cars.
Associated JDM Parts
About Nengun Performance
Since the year 2000, Nengun Performance has supplied over 100,000 parts direct from Fukuoka, Japan to 150 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.












