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I have a set of CP Pistons for an RB25 Neo. These things aren't stocked by anyone and you have to order to be made from CP which take about 4 weeks.

They are exact copies of factory pistons but they are 86.5mm.

Other alternatives to CPs I have found were JUN ~$1900 and Arias ~$1700

Location: Brisbane, can post.

Price: $1350

Contact: Through PM or 0431119536.

Cheers, Alex.

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https://www.sau.com.au/forums/topic/337011-rb25det-neo-cp-pistons-865mm/
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  • 1 month later...
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How would they go with a 3L bottom end and a NEO head?

I've heard the compression is very different between an rb25/30 non neo and an rb25/30 neo.

Only ask cos if/when i ever re-build it'll be onto a 3L bottom end for sure...

  • 1 month later...

I dont suppose you still have these?

I have a set of CP Pistons for an RB25 Neo. These things aren't stocked by anyone and you have to order to be made from CP which take about 4 weeks.

They are exact copies of factory pistons but they are 86.5mm.

Other alternatives to CPs I have found were JUN ~$1900 and Arias ~$1700

Location: Brisbane, can post.

Price: $1350

Contact: Through PM or 0431119536.

Cheers, Alex.

  • 1 month later...

i have not taken my engine out yet so not sure, if its fine i will go with 86mm, if its a bit worn out i want to go to 87mm im trying to skip the 86.5mm area plus im wanting to get cp to make me custom ones and i need a part number for them to start me off. i dont want to take my engine apart just to send them a NEO piston

all they have on their website are either rb25 or rb26 pistons, no NEO ones

who is quantum???

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Edit... just saw the pic and noticed these are a way different looking design to the SC7307... these are custom then? (NOT SC7307?)

Edited by DaveB
  • 3 weeks later...
  • 4 weeks later...

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