The best replacement for gsr is type r.

The best alternatives to gsr are rated as following:
★★★★★  type r
★★★★  mr
★★★★  b16
★★★★  h22
★★★  si
★★★  ls vtec
★★★  ls
★★  prelude
★★  mr evo
★  b20
★  b16 head
★  h22 swap
★  k20
★  b16 transmission
★  b16 head for ls vtec
★  em1
  b16a2
  b20 vtec
  fgr
  itr
  rsx type s
  civic si
  ls transmission
  mr evo x
  lsv
  ls turbo
  mivec
  type s
  sir
  honda civic si
  evo mr
  gs

Your alternative for gsr is not listed? Suggest!
Speaking about gsr, one probably shouldn't forget about skunk2 stage 1 cams.

Other search terms related to gsr and their ratings are:
★★★★★ skunk2 stage 1 cams
★★ ls crank and rods
You have in mind a companion for gsr and it is not yet here? Propose!



Google Trends

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gsr
type r
mr