Dirt Bike

 Stage 1: Dual cam engine. Intake and exhaust cams sold seperately. Improved mid range gain with great top end gain and over rev. Uses stock valve springs. OE fuel mapping is acceptable, but could be fine tuned

 Stage 1: Dual cam engine. Intake and exhaust cams sold seperately. Improved mid range gain with great top end gain and over rev. Uses stock valve springs. OE fuel mapping is acceptable, but could be fine tuned

 Stage 1: Dual cam engine. Intake and exhaust cams sold seperately. Improved mid range gain with great top end gain and over rev. Uses stock valve springs. OE fuel mapping is acceptable, but could be fine tuned

 Stage 1: single-cam motor. Excellent midrange and top-end power increase. Uses stock valve springs and rockers. *Does not use auto-decompression mechanism.

  EXTRA SLIM    7/8" - 1"In all triple density models, the hard density inner tybe and the medium density grip ends flanges help toward maximum grip efficency. Firm on the inside, gel density toward the palm of your hand amd medium density on...

 159cc Top End Gasket Kit Includes (Head, Base, Exhaust, & Cam Chain Tensioner Gaskets)  

 (+3mm Big Bore Kit) makes 478cc. 12.0:1 compression. Uses Vertex #23534. When using Hot Rods 4193 makes 500cc Includes (Cylinder, Piston, Rings, Pin, Clips, Gaskets)

 (+3mm Big Bore Kit) makes 478cc. 12.1:1 compression. Uses Vertex #23595. When used with Hot Rods #4170 makes 500cc. Includes (Cylinder, Piston, Rings, Pin, Clips, Gaskets)

Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition motorcycles and ATVsUnique two stage design allows for easy and complete cleaningDual layer of foam, can be serviced separatelyThin...

Complete gasket sets are OEM replacements, including all necessary engine gaskets, O-rings and valve guide seals to rebuild a complete engine

For Models:2010 - 2013 Kawasaki KX 450F

For Models:2003 - 2009 Yamaha WR 250F