Camshafts
Hotcams
As the leader in innovation, design and development of aftermarket dirt bike and ATV high-performance camshafts, a set of Hot Cams is certain to give the added power gains that dirt bike and ATV enthusiasts are looking for. CNC crafted from billet steel and with multiple stages to choose from for many applications, Hot Cams delivers the performance and feel of a custom cam for a fraction of the price. Ease of installation is also a big benefit when it comes to Hot Cams, as nearly all cams require no additional machine work and utilize the stock valve springs. And, as has always been the policy at Hot Cams, you can keep your original cams as a core exchange is never required. Hot Cams Performance Camshaft Designed, dyno-proven and made in the USA, Hot Cams performance camshafts are one of the most economical, reliable and easy to install ways to add a 5-10 percent power gain to an engine. Additionally, every Hot Cams camshaft is:
• CNC machined for an exact fit and lobe profile. • Created from 8620, billet, case-hardened steel.
• Engineered by utilizing state-of-the-art valvetrain software. • Engineered to be drop-in cams that use stock valve springs.
Intake
Exhaust
SUZUKI
Lift Duration
Lift Duration
Models
Years Hot Cam
(mm) (@ 1mm) (mm) (@ 1mm) Part No
Intake Cam. Stage 1. Good midrange and top-end increase. *1
9.14
253°
56-C305.IN
RM-Z 250
2004 - 06
Exhaust Cam. Stage 1. Good midrange and top-end increase. Must be bought in conjunction with the above cam 56-C305.IN. *1,*8 Intake Cam. Stage 2. Good midrange and top-end increase with good over rev. *1
7.98
244°
56-C305.EX
9.1
245°
56-C321.IN
RM-Z 250
2007 - 09
Exhaust Cam. Stage 2. Good mid-range and top-end power increase with improved over rev. Must be bought in conjunction with the above cam. *1,*8 Intake Cam. Stage 1. Improves power below 10,000 RPM with only a slight loss in peak power: Designed with Improved Throttle Response (I.T.R.) technology. *1 9.4
8.4
240°
56-C321.EX
237°
56-C330.IN.STG1
Exhaust Cam. Stage 1. Improves power below 10,000 RPM with only a slight loss in peak power. Designed with Improved Throttle Response (I.T.R.) technology. *1,*8 Intake Cam. Stage 2. Good mid-range to top-end increase with low-end equal to stock under 6,800 RPM: Designed with Improved Throttle Response (I.T.R.) technology. *1
8.38
239°
56-C330.EX.STG1
RM-Z 250
2010 - 15
9.4
256°
56-C330.IN.STG2
Exhaust Cam. Stage 2. Good mid-range to top-end increase with low-end equal to stock under 6,800 RPM. Designed with Improved Throttle Response (I.T.R.) technology. *1,*8 Intake Cam. Stage 1. Improves power below 10,000 RPM with only a slight loss in peak power: Designed with Improved Throttle Response (I.T.R.) technology. *1 9.4
8.89
244°
56-C330.EX.STG2
237°
56-C330.IN.STG1
RM-Z 250
2016 - 18
Intake Cam. Stage 2. Good mid-range to top-end increase with low-end equal to stock under 6,800 RPM: Designed with Improved Throttle Response (I.T.R.) technology. *1 Exhaust Cam. Stage 1. Good low-end to mid-range increase with slight top end loss after 10,000 RPM: Designed with Improved Throttle Response (I.T.R.) technology. *1,*8 Exhaust Cam. Stage 2. Good mid-range to top-end increase with low-end equal to stock under 6,800 RPM: Designed with Improved Throttle Response (I.T.R.) technology. *1,*8 Intake Cam. Stage 2. Designed to be used as a set with the exhaust cam. Will provide improved full throttle torque and horsepower at 4000RPM and up. Exhaust Cam. Stage 2. Designed to be used as a set with the Intake cam. Will provide Increased mid-range and top-end power than OEM with no loss on the bottom-end. *1 Intake Cam. Stage 1. Excellent top-end power increase. Good over rev. *1,*8 Exhaust Cam. Stage 1. Excellent top-end power increase. Good over rev. Must be bought in conjunction with the above cam 56-C307.IN. *1,*8
9.4
256°
56-C330.IN.STG2
8.38
239°
56-C158.EX.STG1
2016 - 23
RM-Z 250
8.89
244°
56-C158.EX.STG2
9.07
238.5°
56-C301.IN.STG2
DR-Z 400
2000 - 13
9.05
238°
56-C301.EX.STG2
9.6
262°
56-C307.IN
RM-Z 450
2005 - 06
8.8
260°
56-C307.EX
Intake Cam. Stage 1. Good mid-range gains. *1 Exhaust Cam. Stage 1. Good mid-range gains. *1,*8
9.6
240°
56-C319.IN 56-C319.EX 56-C223.EX 56-C214.IN
RM-Z 450
2007
9.7 9.7
242° 238°
Exhaust Cam. Stage 1. Good low end and midrange gains.*1,*8 Intake Cam. Stage 1. Good low end and midrange gains.*1
RM-Z 450
2008 - 12
9.6
235.5°
RM-Z 450
2008 - 14
Exhaust Cam. Stage 1. Good low-end and mid-range gains: Designed with Improved Throttle Response (I.T.R.) technology. *1,*8 Intake Cam. Stage 1. Excellent low end increase up to 8150 RPM with slight loss after 8150 RPM to rev. limit: Designed with Improved Throttle Response (I.T.R.) technology. Exhaust Cam. Stage 1. Excellent low end increase up to 8150rpm with slight loss after 8150rpm to rev. limit: Designed with Improved Throttle Response (I.T.R.) technology. *1,*8 Intake Cam. Stage 2. No bottom end loss with gains starting at 7,000 RPM to redline: Designed with Improved Throttle Response (I.T.R.) technology. *1 Exhaust Cam. Stage 2. No bottom end loss with gains starting at 7,000rpm to redline. Best peak horsepower cams: Designed with I.T.R. technology. *1,*8
9.7
238°
56-C214.EX
9.6
235.32°
56-C215.IN
9.7
248.35° 56-C215.EX
RM-Z 450
2015 - 17
9.85
254.6°
56-C216.IN.STG2
9.04 259.02° 56-C216.EX.STG2
*1: Uses stock valve springs. *2: Uses stock valve springs & rockers. *3: Shim kits available.
*4: Cam sold in front & rear sets. *5: Cam specs taken at lifter. *6: Includes adjustable cam timing sprockets.
*7: Auto-decompressor on exhaust cam. *8: Uses stock auto-decompressor mechanism.
*Please visit our website for current prices
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
E204
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