Alittle more of what we do extra here at RSS when we port your heads.
-clean up castings on oil return channels
-clean up and blend in cam buckets relief for larger camshafts.

Before is what other workshops had done for cam clearances. ... See MoreSee Less

H25 (jdm SG5 forester 2lt single avcs heads)
That Guy's 2003-04 sti

-RSS race port heads
-Frerra valves
-Kelford bronze guides
-Kelford Beehive springs and titanium retainers
-Kelford 272 camshafts
-RCM super stud headstuds
-IAG firelock gaskets
-hand ported combustion chambers to suit 2.5 /IAG firelock gaskets

This is a job for a customer who brought a car from Melbourne and on inspection motor was down on comp and crank had 3mm of wear in crank thrust.
So now its getting some upgrades and fix some problems 😒 ... See MoreSee Less

2026 SubiNats open class winners 🏆
Well done to Jay Davidson and the boys and girls at Gingerbread Racing.
Acouple of small problems over the day with heat and boost control limiting the car to 27 psi (normally 36 psi on this cast IAG 1150 short motor with RSS time attack heads)

Hopefully the boys can get them gremlins sorted and abit more testing in the new year.

Good to see the crown back in QLD ... See MoreSee Less

If your going to do something, you need to go all the way.
Forester owners ... See MoreSee Less