Stage 1: single-cam motor. Excellent bottom-end and midrange increase. Improved throttle response. Uses stock auto-decompression mechanism. Uses stock valve springs.
Made for:
Honda CRF 450R 2002-2006
Honda CRF 450X 2005-2007
Honda TRX 450ER 2006-2007
Honda TRX 450R 2004-2009
Not for the 2008 and up TRX450ER, these are in our ebay store
Hot Cams part # 1016-1