Brock’s Εκκεντροφόρος εξαγωγής Custom Grind Billet Intake Cam
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Exhaust Cam EX031-Hayabusa (99-15) – TEK GRIND
Brock’s Custom Grind Billet Exhaust Cam: No core required. Max performance with stock engine. 348/235deg at .050 “drop-in” use for stock engines (Cam must be degreed, we provide specifications.) This product offers excellent performance when used with our Top End Kit where superior average power and drivability are desired. All Brock’s Performance camshafts feature hard weld lobes on new O.E.M. Suzuki cores. We hold the base circle diameter as close to stock dimensions as possible. The result is far less shim hassles for you.
The Mighty Hayabusa is Restricted from the Factory in Two Major Ways...
Compression and exhaust cam size. This “drop-in” cam attacks the latter. We have found the stock intake cam to be sufficient for stock displacement applications. A trick some engine builders use is to install a stock Hayabusa intake cam on the exhaust side of the engine. Beware; some guys throw this term around enough to make this task sound easy. We can tell you that you had better have your cam degree act together to attempt an intake on the exhaust installation. You lose the stock reference marks, which makes the novice installer likely to make a mistake. We will be straight up - The lift and duration of this cam is very similar to the stock Hayabusa intake grind. We changed the profile a bit to work better on the exhaust. In addition to the added performance a significant advantage lies in the fact that it is manufactured on a stock exhaust core, which makes cam installation and lobe center adjustment straightforward.
Valve Timing Information
99-07 Suzuki Hayabusa
Grind # EX031
Special profile for Brock's Performance
Exhaust
Lobe Center @ 100°
Valve Lash .006 - .008 in.
Valve Lift .348
Duration 260°
Duration@ .050 235°
Valve timing is checked with zero valve lash @ .050 in. of valve lift.
Reference Only - Your actual numbers may vary.
Exhaust opens 33° Before BDC
Exhaust closes 13°
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