Hot Cams

Hotcams Stage 1 Exhaust Camshaft is designed to deliver excellent midrange power increases for dual-cam motors. This camshaft is compatible with Polaris Predator 500 (2003–2007) and Outlaw 500 (2005–2007) models. It improves engine breathability and horsepower by increasing exhaust duration. The intake cam is sold separately, and the camshaft uses the stock auto-decompression mechanism for straightforward installation. Core trade-in is not required, allowing you to retain your original camshaft. Features: Provides significant midrange power and top-end performance. Increases exhaust duration for enhanced engine efficiency. Uses the stock auto-decompression mechanism. Intake cam sold separately (order DK Part No. 140057). No core trade-in required; retain the original camshaft. Specifications: Exhaust Duration (Degrees at 1mm): 235.00 Exhaust Lift (mm): 10.70 Exhaust Lobe Center (Degrees): 100.00 Exhaust Valve Lash (mm): 0.25 Intake specifications are not applicable for this part. Vehicle Compatibility: Polaris Predator 500: 2003–2007 Polaris Outlaw 500: 2005–2007 Shim Kit: HCSHIM02 Part Number: 56-C313.EXHAUST Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years POLARIS PREDATOR 500 2003-2007 POLARIS OUTLAW 500 2005-2007

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Hotcams Stage 1 Intake Camshaft is engineered for dual-cam motors, delivering increased midrange punch and enhanced top-end speed. Designed specifically for the Suzuki LTR450 (2006–2009), this camshaft improves engine breathability and horsepower. The exhaust cam is sold separately and uses stock valve springs, ensuring easy installation. Core trade-in is not required, allowing you to retain your original camshaft. Features: Enhances midrange power and top-end speed. Increases intake and exhaust duration for improved engine performance. Uses stock valve springs for straightforward installation. Exhaust cam sold separately (order DK Part No. 140002). No core trade-in required; keep the original camshaft. Specifications: Intake Duration (Degrees at 1mm): 249.00 Intake Lift (mm): 9.55 Intake Lobe Center (Degrees): 105.00 Intake Valve Lash (mm): 0.15 Exhaust specifications are not applicable for this part. Vehicle Compatibility: Suzuki LTR450: 2006–2009 Shim Kit: HCSHIM02 Part Number: 56-C312.INTAKE Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI LT R 450 2006-2009

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Hot Cams Stage 1 Exhaust Cam - 20731E / 2073-1E SUZUKI LTR450 2006 - 2009, Extract maximum performance from your engine Hot Cams provide increased intake and exhaust duration for improved breathability and more horsepower Provides significantly more mid-range punch and top-end speed for most models Core trade-in not required so you can keep the original camshaft Dual-cam motor Intake cam sold separately; order DK part no. 140001 Uses stock auto-decompression mechanism Cam Specifications Intake Lift: 9.55mm Lobe Center: 105B Intake Duration @ 1mm: 249 degrees Valve Lash: .15mm Exhaust Lift: 9.55mm Lobe Center: 109 Exhaust Duration @ 1mm: 252 degrees Valve Lash: .25mm Part no 56-C312.EXHAUST (radhouse.co.uk) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI LT R 450 2006-2009

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Hotcams Stage 1 Camshaft for dual-cam motors is designed to enhance midrange and top-end power while improving performance throughout the entire RPM range. Suitable for various Arctic Cat, Kawasaki, and Suzuki ATV models, this camshaft uses stock valve springs and rockers. Sold in front and rear sets, it delivers increased intake and exhaust duration for improved engine breathability and horsepower gains. Features: Provides enhanced midrange and top-end power. Improves performance across the entire RPM range. Increases intake and exhaust duration for improved engine breathability. Uses stock valve springs and rockers. Sold as front and rear camshaft sets. Specifications: Intake Duration (Degrees at 1mm): 214.00 Intake Lift (mm): 7.90 Intake Lobe Center (Degrees): 102.00 Intake Valve Lash (mm): 0.15 Exhaust Duration (Degrees at 1mm): 205.00 Exhaust Lift (mm): 6.70 Exhaust Lobe Center (Degrees): 98.50 Exhaust Valve Lash (mm): 0.25 Vehicle Compatibility: Arctic Cat 650 V-2 4x4 FIS w/AT ATV: 2004–2006 Kawasaki Brute Force 750 ATV: 2005–2017 Kawasaki KFX 700 ATV: 2004–2009 Kawasaki KVF 650 Brute Force 4x4 ATV: 2006–2013 Suzuki LT-V 700 F Twin Peaks ATV: 2004–2005 Part Number: 56-C310 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI LT V TWIN PEAKS F 700 2004-2005 KAWASAKI KFX V FORCE 700 2004-2009 KAWASAKI KVF BRUTE FORCE 650 2006-2013 KAWASAKI KVF BRUTE FORCE 750 2005-2017

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Hotcams Stage 1 Intake Camshaft for Yamaha WRF250/WR250F and YZF250/YZ250F models enhances bottom and midrange power for improved throttle response and performance. Designed for dual cam engines, the intake and exhaust cams are sold separately. This camshaft includes an adjustable sprocket and is compatible with stock valve springs. Features: Increases bottom and midrange power for improved performance. Includes adjustable sprocket. Compatible with stock valve springs. Designed for dual cam engines (intake and exhaust cams sold separately). Specifications: Intake Duration (Degrees at 1mm): 249.00 Intake Lift (mm): 8.48 Intake Lobe Center (Degrees): 106.00 Intake Valve Lash (mm): 0.15 Exhaust Duration (Degrees at 1mm): 0.00 Exhaust Lift (mm): 0.00 Exhaust Lobe Center (Degrees): 0.00 Exhaust Valve Lash (mm): 0.00 Shim Kit: HCSHIM01 Vehicle Compatibility: Yamaha WRF250 / WR250F: 2001–2013 Yamaha YZF250 / YZ250F: 2001–2013 Part Number: 56-C309.IN Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA WR F 250 2001-2013 YAMAHA YZ F 250 2001-2013

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Hot Cams Stage 1 Exhaust Camshaft for Yamaha WR250F (2001–2013) and YZ250F (2001–2013) is designed to enhance bottom-end and midrange power, delivering improved throttle response and performance. This camshaft is compatible with dual-cam engines and includes an auto-decompressor mechanism for reliable operation. Features: Stage 1 exhaust cam for dual-cam engines. Enhances bottom-end and midrange power for better snap. Retains stock valve springs for convenient installation. Includes auto-decompressor mechanism. Intake and exhaust cams are sold separately. Specifications: Exhaust Lift: 8.10 mm Exhaust Duration (at 1mm): 252° Exhaust Lobe Center: 104° Exhaust Valve Lash: 0.20 mm Shim Kit Required: HCSHIM01 Vehicle Fitment: Yamaha WR250F: 2001–2013 Yamaha YZ250F: 2001–2013 Important: This camshaft is an excellent choice for riders seeking improved throttle response and enhanced low-to-midrange power. Part Number: 56-C309.EX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA WR F 250 2001-2013 YAMAHA YZ F 250 2001-2013

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Hot Cams Stage 1 Exhaust Cam - 20531E HOTCAMS 2053-1E 2005 - 2006 Suzuki RM-Z450 RMZ450, Extract maximum performance from your engine Hot Cams provide increased intake and exhaust duration for improved breathability and more horsepower Provides significantly more mid-range punch and top-end speed for most models Core trade-in not required so you can keep the original camshaft NOTE: Excellent top-end power increase with no mid-range loss; good over rev. Uses stock auto decompression mechanism Exhaust Lift: 8.8mmExhaust Duration (@ 1mm): 260 Degrees Part No. 56-C307.EX (radhouse.co.uk)Cross reference numbers ONLY. HOT CAM 2053-1E, Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 450 2005-2006

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Hot Cams Stage 1 Exhaust Cam - HOTCAMS 2071-1E Kawasaki KX450F 2006 - 2008, Stage 1: Dual cam engine. Intake and exhaust cams sold separately. No bottom-end loss with strong mid-range to top-end gains. Cam uses stock auto-decompression mechanism. Uses stock valve springs. Technical Specifications: Exhaust Duration (Degrees at 1mm): 236.00 Exhaust Lift (mm): 9.00 Exhaust Lobe Center (Degrees): 102.00 Exhaust Valve Lash (mm): .18 Part No. 56-C306.EX (radhouse.co.uk) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KAWASAKI KX F 450 2006-2008

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Stage 1: HOT CAM Dual cam engine. HOTCAMS 2041I 2004 - 2010 Kawasaki KXF250 KX250F, 2004 - 2006 Suzuki RM-Z250 RMZ250, Intake and exhaust cams sold separately. Good midrange and top-end increase. Uses stock valve springs. Specs: Intake Lift: 9.15mm Intake Duration (@1mm): 253 Degrees Cross reference numbers ONLY. HOT CAM 2041-1IN, Part No. 56-C305.IN (radhouse.co.uk) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 250 2004-2006 KAWASAKI KX F 250 2004-2010

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Stage 1: HOT CAM Dual cam engine. HOTCAMS 2040E 2004 - 2010 Kawasaki KXF250 KX250F, 2004 - 2006 Suzuki RM-Z250 RMZ250, Intake and exhaust cams sold separately. Good midrange and top-end increase. Cam uses stock auto-decompression mechanism. Uses stock valve springs. Exhaust Lift: 8.13mm Exhaust Duration (@ 1mm): 241 Degrees Cross reference numbers ONLY. HOT CAM 2040-1E Part No. 56-C305.EX (radhouse.co.uk) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 250 2004-2006 KAWASAKI KX F 250 2004-2010

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Hot Cams Stage 2 Cam - 10772 HOTCAMS 1077-2 STAGE 2 2007 Honda CRF450R, Extract maximum performance from your engine Hot Cams provide increased intake and exhaust duration for improved breathability and more horsepower Provides significantly more mid-range punch and top-end speed for most models Core trade-in not required so you can keep the original camshaft Single-cam motor Good top-end and over rev Uses stock valve springs and auto-decompression mechanism Specs:Intake Lift: 10.1mm Intake Duration (@1mm): 248 Degrees Exhaust Lift: 8.7mm Exhaust Duration (@ 1mm): 268.5 Degrees Part No. 56-C304.STAGE2 (radhouse.co.uk) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF R 450 2007

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Hot Cams Stage 1 Intake Cam - HOTCAMS 4023-1IN YAMAHA WRF450 WR450F 2003 - 2015, YAMAHA YZF450 YZ450F 2004 - 2009, YAMAHA ATV YFZ450 2004 - 2009, Dual-cam motor: intake and exhaust cams sold separately. Excellent midrange and top-end increase. Exhaust cam includes auto-decompression mechanism. Uses stock valve springs. Intake Duration (Degrees at 1mm): 269.00 Intake Lift (mm): 8.86 Intake Lobe Center (Degrees): 110.00 Intake Valve Lash (mm): .15Part No 56-C302.INTAKE (radhouse.co.uk) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ 450 2004-2009

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Hot Cams Stage 1 Exhaust camshaft - HOTCAMS 4022-1E Easy to install but if unsure please use a professional Cross reference numbers ONLY. 18P-12180-00-00 5TG-12180-20-00 5TG-12180-00-00   S/SEED FROM 56-C320.EX YFZ TO 56-C302.EXHAUST Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA YFZ 450 2004-2009

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Camshafts HOTCAM 2251-2IN 2003 - 2004 Kawasaki KLX 400 BIKE,2000 - 2016 Suzuki DRZ 400 BIKE,2005 - 2015 Suzuki DRZ 400S BIKE,2016 - 2016 Suzuki DRZ 400SM BIKE2004 - 2008 Arctic Cat DVX 400 ATV,2003 - 2006 Kawasaki KFX 400 ATV,2000 - 2014 Suzuki LTZ 400 ATV Offroad competition use only. The #2251-2IN and #2252-2E are designed to be used as a set. These cams will provide improved full throttle torque and horspepower at all RPM 4000 and up. Uses stock DRZ400 valve springs, if installed in LTZ400 you must insta ll DRZ400 valve springs. Technical Specifications: Exhaust Duration (Degrees at 1mm): .00 Exhaust Lift (mm): .00 Exhaust Lobe Center (Degrees): .00 Exhaust Valve Lash (mm): .00 Intake Duration (Degrees at 1mm): 238.50 Intake Lift (mm): 9.07 Intake Lobe Center (Degrees): 107.50 Intake Valve Lash (mm): .15 Shim Kit: Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KAWASAKI KLX R 400 2003-2004 SUZUKI DR Z 400 2000-2013 ARCTIC CAT DVX 400 2006-2008 SUZUKI LT Z 400 2000-2013 KAWASAKI KFX 400 2000-2006

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Hotcam camshaft 2252-2E 2004 - 2008 Arctic Cat DVX 400, 2003 - 2006 Kawasaki KFX 400, 2003 - 2004 Kawasaki KLX 400, 2000 - 2013 Suzuki DRZ 400, 2005 - 2009 Suzuki DRZ 400SM, 2000 - 2013 Suzuki LTZ 400, Stage 1 Exhaust: Improves mid to upper power. Intake cam only for woods riding. Change intake & exhaust for MX or desert riding. Uses stock valve springs Shim kits available Includes adjustable cam timing sprockets Uses stock auto-decompression mechanism. Exhaust Duration (Degrees at 1mm): 238.00 Part No. 56-C301.EX.ST2 (radhouse.co.uk) Technical Specifications: Exhaust Duration (Degrees at 1mm): 238.00 Exhaust Lift (mm): 9.05 Exhaust Lobe Center (Degrees): 104.50 Exhaust Valve Lash (mm): .20 Intake Duration (Degrees at 1mm): .00 Intake Lift (mm): .00 Intake Lobe Center (Degrees): .00 Intake Valve Lash (mm): .00 Shim Kit: Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KAWASAKI KLX R 400 2003-2004 SUZUKI DR Z 400 2000-2013 ARCTIC CAT DVX 400 2006-2008 SUZUKI LT Z 400 2000-2013 KAWASAKI KFX 400 2000-2006

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HOTCAMS camshaft stage 2 HOTCAMS 10242 HONDA CRF450R 2002 - 2006, HONDA TRX450R 2002 - 2008, Stage 2. excellent midrange and top-end increase. Retains more bottom-end and midrange power than the HRC cam. Responds well to proper porting Uses stock valve springs Shim kits available Lift (mm) = 10.1 Intake duration (@1mm) = 248 degrees Lift (mm) 8.7 Exhaust Duration (@1mm) = 269 degrees Part no 56-C300.STAGE2 (radhouse.co.uk) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF R 450 2002-2006 HONDA CRF X 450 2005-2007 HONDA TRX R 450 2004-2009

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Hot Cams Stage 1 Camshaft for Honda CRF450R (2002–2006), CRF450X (2005–2007), TRX450R (2004–2009), and TRX450ER (2006–2007) is designed to improve bottom-end torque and midrange power, offering enhanced throttle response and overall performance. This camshaft is compatible with stock valve springs, making it a convenient upgrade for riders seeking better engine output without additional modifications. Features: Stage 1 camshaft for improved bottom-end torque and midrange power. Enhances throttle response for better rideability. Increases intake and exhaust duration for optimized engine breathability. Provides significant midrange punch and top-end speed gains. Compatible with stock valve springs and rockers. No core trade-in required—retain your original camshaft. Specifications: Intake Lift: 10.1 mm Intake Duration (at 1mm): 246° Exhaust Lift: 8.8 mm Exhaust Duration (at 1mm): 254° Cross-Reference OEM Part Numbers: AT-09709 14110-MEN-670 Vehicle Fitment: Honda CRF450R: 2002–2006 Honda CRF450X: 2005–2007 Honda TRX450R: 2004–2009 Honda TRX450ER: 2006–2007 Important: This camshaft is an excellent choice for riders seeking enhanced performance across the RPM range while maintaining compatibility with stock components. Part Number: 56-C300.STAGE1 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF R 450 2002-2006 HONDA CRF X 450 2005-2007 HONDA TRX R 450 2004-2009

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Hot Cams Stage 1 Cam - 21201E 2008 - 2009 Suzuki RM-Z450 RMZ450, Extract maximum performance from your engine Hot Cams provide increased intake and exhaust duration for improved breathability and more horsepower Provides significantly more mid-range punch and top-end speed for most models Core trade-in not required so you can keep the original camshaft Dual-cam motor; exhaust Good low-end and mid-range gain Use stock valve springs Uses stock auto-decompression mechanism Specs: Exhaust Lift: 9.7mm Exhaust Duration (@1mm): 238 degrees Part No. 56-C223.EX (radhouse.co.uk) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 450 2008-2012

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Hot Cams Stage 2 Intake Camshaft for Suzuki RM-Z450 (2015–2017) is designed to deliver significant midrange and top-end power improvements. Featuring an ITR design for dual-cam engines, this camshaft enhances intake duration for optimal engine breathability and performance. Compatible with stock valve springs, it provides a straightforward installation without the need for additional modifications. Features: Stage 2 intake cam for dual-cam engines. Improves midrange torque and top-end speed. Enhances engine breathability for increased horsepower. Compatible with stock valve springs. No core trade-in required—retain your original camshaft. Important: This camshaft is an ideal upgrade for riders seeking enhanced performance across the RPM range. Part Number: 56-C216.IN.STG2 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 450 2015-2017

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Hot Cams Stage 2 Exhaust Camshaft for Suzuki RM-Z450 (2015–2017) is engineered for maximum performance, offering significant midrange and top-end power gains. Designed for dual-cam engines, this Stage 2 camshaft increases exhaust duration for improved breathability and enhanced engine output. It is compatible with stock valve springs and retains the stock auto-decompression mechanism for easy installation. Features: Stage 2 exhaust cam for dual-cam engines. Provides substantial midrange punch and improved top-end speed. Increases engine breathability for more horsepower. Compatible with stock valve springs. Retains stock auto-decompression mechanism. No core trade-in required—keep your original camshaft. Important: This camshaft is ideal for riders seeking increased performance at higher RPMs without requiring significant modifications. Part Number: 56-C216.EX.STG2 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 450 2015-2017

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Hot Cams Stage 1 Intake Camshaft for Suzuki RM-Z450 (2015–2017) is designed to improve low-end torque and midrange power. This high-performance camshaft features an ITR design for dual-cam engines and works seamlessly with stock valve springs, making it an excellent upgrade for enhanced engine performance without additional modifications. Features: Stage 1 intake cam for dual-cam engines. Enhances low-end torque and midrange power. Compatible with stock valve springs. No core trade-in required—retain your original camshaft. Improves engine breathability for more horsepower and mid-range punch. Important: This camshaft is designed for maximum performance with minimal changes to the stock setup. Part Number: 56-C215.IN Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 450 2015-2017

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Hot Cams Stage 1 Exhaust Camshaft for Suzuki RM-Z450 (2015–2017) is designed to deliver enhanced low-end torque and midrange power. This high-performance camshaft is compatible with dual-cam engines and works seamlessly with stock valve springs and the stock auto-decompression mechanism, making it a convenient and effective upgrade. Features: Stage 1 exhaust cam for dual-cam engines. Improves low-end torque and midrange power. Compatible with stock valve springs. Retains stock auto-decompression mechanism. No core trade-in required—keep your original camshaft. Increases engine breathability for more horsepower and mid-range punch. Important: This camshaft is engineered to maximize performance without requiring additional modifications. Part Number: 56-C215.EX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 450 2015-2017

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Hot Cams Stage 1 Intake Camshaft for Suzuki RM-Z450 (2008–2014) is designed to optimize low-end torque and midrange power. Engineered for dual-cam engines, this camshaft features an ITR design and is compatible with stock valve springs, making it an excellent upgrade for enhanced performance without additional modifications. Features: Stage 1 intake cam for dual-cam engines. Increases low-end torque and midrange power. Compatible with stock valve springs. No core trade-in required—retain your original camshaft. Enhances intake duration and lift for better engine breathability and horsepower. Provides a more robust midrange and top-end speed. Specifications: Intake Lift: 9.6 mm Intake Duration (at 1mm): 235.5° Intake Lobe Center: 100.5° Intake Valve Lash: 0.13 mm Shim Kit Required: HCSHIM02 Important: For optimal performance, use the recommended shim kit. Part Number: 56-C214.IN Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI RM Z 450 2008-2014

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