Aftermarket Rb25 Valves? Anyone Know Of Any?

[muaythailuke]

Hey guys and gals,

Ive have a small set back with my car and it looks like I my need new valves, I priced them though nissan the other day but I was wondering if anyone knew of any aftermarket O/S ones avaliable for the RB25? As per most RB stuff there is plenty about for the RB26 but yet to find anything for the RB25.

Also, I know back in the the day putting the biggests valves that you could fit in the head of your car was the go but with the introdution of muti-valved heads etc you dont hear some much of it now. So is it just not worth putting a bigger valve into something like the RB20/25/26 or SR20?

Cheers,

Luke

Edited September 10, 2006 by muaythailuke

[Adriano]

I think that roguepi on ebay sells them, not cheap though.

[muaythailuke]

I think that roguepi on ebay sells them, not cheap though.

:cheers:yeah found them, your right they arnt cheap but neither are stock ones from nissan.

Has anyone ever used these?

[Sydneykid]

We use Ferrea, 1/2 mm oversize, makes nice power difference.

Cheers

[muaythailuke]

We use Ferrea, 1/2 mm oversize, makes nice power difference.

Cheers

I just found Ferrea ones on there web site but it was a US site, who is the distributor of these in OZ? Also have you ever used the valve springs that they make for the RB25?

Edited September 19, 2006 by muaythailuke

[mokompri]

We use Ferrea, 1/2 mm oversize, makes nice power difference.

Cheers

when changing valves, do you base your choice on experience or do you run something like a simulation etc ?