RWA 1903 Hydraulic roller cam kit includes: Your choice of hydraulic roller camshaft (see below), RWA 1485 Roller Followers (used), RWA 1470 Type A valve springs, RWA 1476A Type A retainers, RWA 1848 cam lube, Your choice of either RWA 1498 Stock size 1.73″ intake valves and RWA1499 Stock size 1.50″exhaust valves OR RWA 1492 Cheater 1.89″ intake valves and 1494Cheater 1.59″ exhaust valves (please specify when placing an order), RWA 1490 valve seals and RWA 1502 keeper.
Camshaft choices:
Camshaft choices:
RWA 1431R .420″ lift / 226-242 duration @.050″ order RWA 1903-420
- Good mild street camshaft
- Good “stock” rule camshaft
- Works well in mild turbo appliactions
RWA 1406R .450″ lift / 234-242 duration @.050″ order RWA 1903-450
- Good street camshaft, will have a rougher idle than the .420″ lift camshaft
- Power in the 3500-6200 RPM range
- Good racing camshaft where the rules do not allow much modifications to the cylinder head or intake
RWA 1408R .480″ lift / 242-242 duration @.050″ order RWA 1903-480
- Hot street camshaft
- Needs more RPM’s to get into the power band
- Power in the 3700-7000 RPM range
- Good for short tracks with little banking
RWA 1407R .510″ lift / 250-250 duration @.050″ order RWA 1903-510
- Competition camshaft
- Great on short to mid size tracks
- Power in the 4000-7200 RPM range
