To unleash the full engine potential on the track, the Sparks Racing Full Exhaust for the Suzuki LTZ400 replaces the restrictive exhaust with a racing exhaust system designed to increase the …

Oct 26, 2011 · The 450 is a race ready quad and you should have riding experience before just jumping on one IMO. The 400's are excellent trail and pit quads, just slap a 13T sprocket on it …

Apr 16, 2016 · Even today, the LT-Z400 is a trusty stead and is worth building up and making it better than stock. Roger Kirkpatrick and his team at Humboldt Motorsports had a Suzuki …

Oct 27, 2010 · Quad will be for sale in this condition for $2500. I'll put up a new thread once the quad is ready. Since your putting it back to stock, whatcha gonna do with all the "bits and …

Jan 21, 2009 · A forum community dedicated to all Suzuki ATV owners and enthusiasts. Come join the discussion about performance, modifications, repairs, troubleshooting, maintenance, …

5 Angle Radius Race Valve Job – The 5 angle radius Race valve job significantly raises the flow characteristics at low valve lift and definitely shows a horsepower increase throughout the …

Jan 4, 2007 · It's great at all around riding, and can even handle a mx track here and ther. The biggest downfall is Suzuki reliabilty and ovarall quality. If that bothers you, the Trx400 is almost …

This kit is available in either our Race Core or Big Core exhaust system. The Race Core system offers the best all-around performance and can be configured with a spark arrestor and quiet …

Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal. 4-stroke race applications feature Wiseco’s Armor Glide skirt …

Jan 10, 2011 · Ok, i got my wife an 08 z 400, she is now ready to start racing with the big boys, i bought some elkas for the front, gonna put houser a-arms, probably go with a g-force axle, …