BOLD MAGENTA part numbers are new for 2023 ENGINE PARTS-UNLIMITED.COM OFFROAD | 2023 HOT CAMS continued on next page. FITS MODEL DESCRIPTION INTAKE LIFT INTAKE DURATION (@1MM) EXHAUST LIFT EXHAUST DURATION (@1MM) PART # SUG. RETAIL HONDA CRF80F/100F 04-13 Excellent mid-range and top-end power increase. Uses stock valve springs and rockers. 6.8mm 236 5.9mm 216 XR100S1-A $174.95 XR75 77-78, XR80 79-03, XL100S 79-85, XR100 81-84, XR100R 85-03 Excellent mid-range and top-end power increase. Uses stock valve springs and rockers. 6.8mm 236 5.9mm 216 XR100S1-A 174.95 CRF150R/RB Big Wheel 07-09/12-19 (stage 1) Single-cam motor. Excellent bottom-end and mid-range power. Uses stock valve springs. Uses stock auto-decompression mechanism. 8mm 238 7.45mm 265 0925-0131 259.95 CRF150R/RB Big Wheel 07-09/12-19 (stage 2) Single-cam motor. Excellent top-end power with great over-rev. Uses stock valve springs. Uses stock auto-decompression mechanism. 8.7mm 254 7.75mm 273.5 0925-0132 259.95 CRF250R/X 04-09, CRF250X 12-13/15-17 (stage 1) Increased performance through low- to mid-range power. Uses stock auto-decompression mechanism. 8.1mm 244 8.1mm 250 0925-0049 308.91 CRF250R 04-07, CRF250X 04-09/12-13/15-17 (stage 2) Single-cam motor, excellent top-end power with great over-rev. Uses stock auto-decompression mechanism. Uses stock valve springs. 8.4mm 252 8.35mm 267 0925-0082 319.95 CRF250R 04-09 (stage 3) Single-cam motor, significantly more top-end power and great over-rev. Uses stock auto-decompression mechanism. 8.61mm 254 8.13mm 261.5 0925-0269 319.95 CRF250R 10-15 ITR Design single-cam motor. Slight loss in low rpm torque, mid to top horsepower are increased. Uses stock auto-decompression mechanism. Uses stock valve springs. 9.14mm 255 8.84mm 266 0925-0846 309.95 CRF250R 10-15 ITR Design single-cam motor. Low and mid rpm torque are increased.Top horsepower slightly increased over stock. Uses stock auto-decompression mechanism. Uses stock valve springs. 8.26mm 241 8.84mm 226 0925-0865 309.95 CRF250R 16-17 (stage 1) ITR Design single-cam motor. Low and mid rpm torque are increased.Top horsepower slightly increased over stock. Uses stock auto-decompression mechanism. Uses stock valve springs. 9.27mm 241.61 8.84mm 266.26 0925-1183 319.95 CRF250R 16-17 (stage 2) ITR Design. Good top-end cam. Uses stock valve springs and stock auto-decompression mechanism. 9.4mm 254.78 9.4mm 264.17 0925-1184 319.95 XR250R 96-04 Excellent mid-range and top-end power increase; does not use auto-decompression. Uses stock valve springs and rockers. 9mm 236 8.7mm 236 XR250S1-A 269.95 XR400 96-04 (stage 1) Excellent mid-range and top-end power; does not use auto-decompression. Uses stock valve springs and rockers. 9mm 247 9mm 246 TRX400S1-A 251.69 XR400 96-04 (stage 2) Specifically designed to produce more mid-range and top-end power in big bore and stroker applications; not stock displacement. Does not use auto-decompression. 9mm 254 8.9mm 248.5 0925-0068 274.58 XR400 96-04 (stage 3) Recommended for big bore stroker applications only, for more mid-range and top-end. Does not use auto-decompression. 9.1mm 262 9mm 257 0925-0083 274.58 CRF450R 02-06, CRF450X 05-07 (stage 1) Excellent bottom-end and mid-range increase. 9.6mm 238 8.8mm 270 CRF450S1-A 319.95 CRF450R 02-06, CRF450X 05-07 (stage 2) Excellent mid-range and top-end increase. 10.1mm 248 8.8mm 270 0925-0024 308.91 CRF450R 02-06, CRF450X 05-07 (stage 3) Specifically designed to produce more mid-range and top-end power in big bore and stroker applications; not stock displacement. 10.4mm 254 9.1mm 265 0925-0084 308.91 CRF450R 08, CRF450X 08-09/12-17 (stage 2) Good mid-range and top-end. Uses stock auto-decompression. 10.1mm 248 8.8mm 270 0925-0267 319.95 CRF450R 09 (stage 1) Single-cam motor, improved torque below 9000 rpm with improved horsepower over OEM cam. Uses stock valve springs, rockers and auto-decompression mechanism. 9.6mm 238 8.7mm 248 0925-0459 319.95 CRF450R 09 (stage 2) Single-cam motor, same low-end power as OEM cam to 6000 rpm with improved power from 6000 rpm to rev limit. Uses stock valve springs, rockers and auto-decompression. 10.1mm 248 8.7mm 269 0925-0460 319.95 CRF450R 09 (stage 3) Single-cam motor, best suited for engines requiring more breathing capability. Uses stock valve springs, rockers and auto-decompression. 10.4mm 252 9mm 265 0925-0461 174.95 CRF450R 10-16 (stage 1) Single-cam motor, improved torque below 8000 rpm with no loss in peak horsepower over OEM cam. Uses stock valve springs, rockers, and auto-decompression mechanism. 9.58mm 235.58 8.57mm 270 0925-0843 319.95 HOT CAMS • High-performance racing camshafts • Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs • In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower • Gold Series camshafts are designed to provide extra torque and horsepower; these camshafts require the use of stiffer valve springs • Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end • New Builder Series camshafts offer engine builders a multitude of options for different engine configurations • Builder Series camshafts were developed for engine builders that have specific requirements to maximize their particular engine configuration; see notes in the performance description for use with OE valve springs or the requirement of stiffer valve springs 1033 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. SEE PAGES 4-5 FOR IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS.
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