Sparks National 416 vs 426

[ride_red_5400ex]

Which bore kit would be better for MX racing

THe 416 would be more reliable. And you'll probably feel NO difference between the two. At least I didn't on a TC national kit...:cool:

[TT 400ex]

sparks doesnt make a 426.... i have his 416 and the thing flat out ripps...