400 Blaster

i see 400 blasters all the time , simple you take a yz 490 jug and weld it directly to the case and slide a z400 or kfx400, dvx400 SLEEVE into the yz 490 jug, very very simple PLUS ADDS less horse power to the mid end . and 1 an 5/16 more strokes
 
Does it look like this will fit :p

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route 43 near whitemarsh, the extension to connect to middle river has huge riding area around the business parks, theres tons of trails. we ride there weekly if you ever want to meet up