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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Anyone fitting half inch head studs to an RB (should be all rb25 and 30 blocks) They suit OEM replacement also
Live Boost or RPM readout
- External wastegate (sold separately)
Precision Engineering:
220-C | EJ257 STI Dual AVCS Springs Anyone fitting half inch head272 racing cams suitable for most motorsport applications. Suits a well built competition EJ257 engine running 58 66mm turbo. Great with E85 fuel. Requires cylinder head modification to fit high lift cam lobes. Kelford Cams recommend valve spring upgrade KVS1847 BT.
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