CatCams camshaft 297°/297° for BMW 4cyl 1.8L 8v SOHC engine
For 'conventional' applications where pricing is important , Cat Cams offers a vast range of high quality chilled cast iron camshafts. Typical applications are fast road and moderate competition camshafts. Development of a casting requires high production volumes, so these are only available for a limited number of big volume applications.
When castings are not (yet) available, the steel billet production line at Cat Cams brings the answer: the development cycle for the BMW Mini R56 Turbo engine was about 6 weeks from arrival of the sample parts. The work included design and manufacturing of steel billet camshafts (see picture below), cam profile design and development of a dual valve spring kit.
For more demanding applications such as dedicated competition projects, the steel billet production line gets in action as well. Beside casting availability, there are some other reasons to prefer steel billet camshafts: gun drilling a 20mm hole over a length of 400mm saves about 1kg. Thanks to this reduction, the weight of Cat Cams steel billets rivals assembled hollow lightweight camshafts. However, the advantage of these 'single piece' steel billets is an important improvement in stiffness and strength, allowing higher acceleration cam profiles. You find a datasheet of this profile at the end of this text, where you can find out, if and which parts like springs, retainers, camwheeks you may need. You may be able ti find these parts in this shop just by searching with the partnumber, if not, please feel free to contact us.
engine: BMW
detail: rocker arm engines
engine code: CatCams camshaft 297°/297° for BMW 4cyl 1.8L 8v SOHC engine
capacity: SOHC 8v
extra info: 1766cc
duration @ 0,1mm:
duration @ 1,0mm: 297°/297°
application: sport
remarks:
Please use the correct part number code for your engine:
- 13001xx: small bearing (42.95mm-41.95mm-34.95mm), right gear
- 13002xx: small bearing (42.95mm-41.95mm-34.95mm), left gear
- 13021xx: big bearing (44.95mm-43.95mm-34.95mm), right gear
- 13022xx: big bearing (44.95mm-43.95mm-34.95mm), left gear
The cam lobes of the steel billet cams are drilled for extra lubrification.
Set screws are delivered to block the extra oil feed when it is not being used.
BMW_M10-M30_rocker_arm.gif NOW AVAILABLE: CATCAMS steel billet rocker arms (coated) with original Mahle valve adjustment screws !!!
Datasheet (PDF)