HOT CAMS™ from Parts Unlimited Offroad

HOT CAMS™



	High-performance racing cams No core required; keep your old camshaft Designed for use with stock valve springs and rockers in most applications Adjustable cam sprockets supplied with some models For more specific information on each cam visit hotcamsinc.com Honda Hot Cams 0925-0025-Stage 1: Excellent mid-range and top-end power increase; uses stock valve springs and rockers 0925-0026-Stage 2: More top end than stage 1. Works well with larger displacements from 70 to 80cc plus. Uses stock valve springs and rockers XR100S1-A-Stage 1: Excellent mid-range and top-end power increase; uses stock valve springs and rockers 0925-0131-Stage 1: Single-cam motor. Uses stock valve springs; uses stock auto-decompression mechanism 0925-0132-Stage 2: Single-cam motor. Uses stock valve springs; uses stock auto-decompression mechanism 0925-0049-Increased performance throughout entire rpm range; shim kit available 0925-0082-Single-cam motor, excellent top-end power with great over rev; uses stock auto-decompression mechanism; uses stock valve springs XR250S1-A-Stage 1: Excellent mid-range and top-end power increase; uses stock valve springs and rockers TRX400S1-A-Stage 1: Excellent mid-range and top-end power; uses stock valve springs and rockers 0925-0068-Specifically designed to produce more mid-range and top-end power in big bore and stroker applications – not stock displacement XR650S2-A-Stage 2: More aggressive than the HRC profile with more top-end than Stage 1; uses stock valve springs and rockers 0925-0083-Recommended for big bore stroker applications only, for more mid-range and top-end CRF450S1-A-Stage 1: Excellent bottom end and mid-range increase; shim kit available 0925-0024-Stage 2: Excellent mid-range and top-end increase; works well with mild head porting; shim kit available 0925-0084-Specifically designed to produce more mid-range and top-end power in big bore and stroker applications – not stock displacement 0925-0128-Stage 1: Single-cam motor, excellent bottom-end and improved throttle response; uses stock auto-decompression mechanism; uses stock valve springs 0925-0129-Stage 2: Single-cam motor, good top-end and over rev; uses stock auto-decompression mechanism; uses stock valve springs 0925-0130-Stage 3: Single-cam motor, huge top-end and great over rev supermoto and big bore/strokers; uses stock auto-decompression mechanism; uses stock valve springs XR600S1-A-Stage 1: Excellent mid-range and top-end power increase; uses stock valve springs and rockers XR650S1-A-Stage 1: Similar to HRC profile with more mid-range and top-end power than stock; uses stock valve springs and rockers Kawasaki Hot Cams 0925-0029, 0925-0030-Excellent mid-range and top-end power increase; use stock valve springs and rockers 0925-0050, 0925-0051-Excellent mid-range and top-end increase; shim kit available 0925-0148 (intake), 0925-0149 (exhaust)-Stage 1: Dual-cam motor: intake and exhaust cams sold separately; excellent top-end power, great over rev; exhaust cam uses stock auto-decompression mechanism; use stock valve springs 0925-0089 (intake), DRZ400S1-AE (exhaust)-Stage 1: Intake cam is an improved model. Exhaust drastically improves mid-range and top-end power. Includes adjustable cam sprockets factory preset at 107 degrees on exhaust and 104 degrees on the intake. Uses stock valve springs; shim kit available NOTE: Exhaust cam includes auto decompressor. 0925-0133 (intake), 0925-0134 (Exhaust)-Stage 1: Dual-cam motor: intake and exhaust cams sold separately; exhaust cam uses stock auto-decompression mechanism; uses stock valve springs 0925-0135 (intake), 0925-0136 (exhaust)-Stage 2: Dual-cam motor: intake and exhaust cams sold separately; excellent top-end power increase with good over rev; exhaust cam uses stock auto-decompression mechanism; use stock valve springs KTM Hot Cams KTM400S1-A-Stage 1: Excellent mid-range and top-end power increase; use stock valve springs and rockers KTM 520S1-A-Stage 1: Excellent top-end power increase; for desert racing or high speed motocross; works well with high bore kits; use stock valve springs and rockers Suzuki Hot Cams 0925-0029, 0925-0030-Excellent mid-range and top-end power increase; use stock valve springs and rockers 0925-0050, 0925-0051-Excellent mid-range and top-end power increase; shim kit available 0925-0148 (intake), 0925-0149 (exhaust)-Stage 1: Dual-cam motor: intake and exhaust cams sold separately; excellent top-end power, great over rev; exhaust cam uses stock auto-decompression mechanism; use stock valve springs 0925-0089 (intake), DRZ400S1-AE (exhaust)-Stage 1: Intake cam is an improved model. Exhaust drastically improves mid-range and top-end power. Includes adjustable cam sprockets factory preset at 107° on exhaust and 104° on the intake. Uses stock valve springs; shim kit available NOTE: Exhaust cam includes auto decompressor. 0925-0086 (intake), 0925-0085 (exhaust)-Excellent top-end power increase with no mid-range loss; good over rev Yamaha Hot Cams TTR125S1-A-Stage 1: Excellent mid-range and top-end power increase; uses stock valve springs and rockers 0925-0088 (intake), 0925-0087 (exhaust)-Stage 2: Excellent top-end power increase with no mid-range loss; good over rev. Intake cam includes adjustable cam timing sprocket. Exhaust cam includes auto-decompressor. Uses stock springs YZ250S1-AI (intake), 0925-0032 (exhaust)-Stage 1: Increase mid-range power for improved snap. Intake cam includes adjustable cam timing sprocket which allows the powerband to be moved for different tracks; factory preset at 106°. Use stock valve springs. Shim kit available NOTE: Exhaust cam includes auto decompressor 0925-0034 (intake), 0925-0035 (exhaust)-Stage 1: Excellent mid-range and top-end power increase. Intake and exhaust cams sold separately. Uses stock valve springs. Shim kit available NOTE: Exhaust cam includes auto decompressor YZ426S1-AI (intake), 0925-0033 (exhaust)-Stage 1: Excellent mid-range and top-end power increase when installed at 105° centerline (factory setting). Intake cam includes adjustable cam timing sprocket, which allows the powerband to be moved for different tracks. Uses stock valve springs; sold each. Shim kit available NOTE: Works best with 95mm bore (426cc) or larger. NOTE: Exhaust cam includes auto decompressor 0925-0062-Excellent top-end increase, with no bottom-end loss; uses stock valve springs NOTE: Exhaust cam includes auto decompressor. NOTE: See chart for footnotes.