SPECIAL HEAD KIT
This product was already discontinued.
JUN has been fighting by SR20DE and SR20DET in all of stages form All Japan GT 500 to USA Drag Race in recent.
These kit was born from its experiences and our technology.
Many customers use these parts kit for race and street with faithful.
The technology of rush killer (to change to solid lifter system) and machine process of fire chamber (to increase fire speed in the fire chamber) are made by CNC multi type machine in our company.
You will get more high power by using these combined parts kit for all of stages in your race.
Otherwise if you want to make your high tuned engine with high potential level, we recommend you use JUN Special Kit, JUN Stroker Kit and JUN Intake Surge Tank.
CONTENT PARTS
- SOLID CAMSHAFT
- 1SET
- RACING VALVE SPRING
- 1SET
- VALVE GUIDE
- 1SET
- TITANIUM VALVE RETAINER
- 1SET
- LASH KILLER KIT
- 1SET
DONE MACHINING
- Exchange valve guide
- Cutting valve seat with same length of valve steam from spring seat
- Valve seat rapping
- Machining and finishing of combustion chamber
- Fixed HLA (lash killer process)
- Grinding head face
| Name | Part # | MSRP(yen) | Remarks |
|---|---|---|---|
| Single Spring Spec. | 7502M-N001 | discontinued | |
| Dual Spring Spec. | 7502M-N002 | discontinued | |
| Optional | 7502M-N701 | discontinued | A set of cam gears |
- You can choose from the profile which is placed in this page. You cannot choose the custom made camshaft.
- This kit change from HLA (lash system) to shim adjustment system. At the result you have to buy the head parts for RNN14 like valve, rocker pivot, rocker spring, rocker shaft retainer. This kit don't included them.
- Must use the inner spring seat for RNN14 when you chose dual spring kit.
- At S15, S14 engine, the adjustable valve timing system don't move in action. Please change the parts for PS13 like sprockets, bolts, washers. We recommend you use JUN sprockets.
- Because you engine should make machine processing, please send your head and valve set for RNN14. Call our delivery date. At used valves it takes other cost.
- Not include the polishing process for intake and exhaust port.
- Option (cam slide sprocket) is a special price in case you purchase together with a camshaft kit. You cannot buy it alone.
