roller rockers for my vr v6??

[taylorsvr]

i have a buick sreries two vr v6 and im wondering if upgrading the roller rockers is worth it.. also how much? i already have a OTR CAI and extractors with 2.5" straight through, k&n filter and what not..cheers in advance! oh and if i could have the part number too?

[MICKY.D]

Hey Taylorsvr,

They are available in two ratio's
YT 6658 1.7
YT 6659 1.8
Both the same cost to you of $????? PM sent