cams? query

[Owen:s]

wot cam combo are used in some itb packages [gdi used this] too gain higher bhp, a 421 inlet and 428 out let is this correct or have i got it wrong way round? can u buy these separate and were thanks

 

[sideways danny]

I'd just use a pair of 421s. 428 exhaust is basically standard BTW

 

[Owen:s]

oh right. but is that wot yous used or a diff combo

 

[sideways danny]

I've never fitted a mix.