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Design © Thrash Garage NZ
BOV Controller with Kompact Supersonic: TS-0304-1006
Our solid lifter cams are perfect for restricted engine sizes of 32-40mm with a 48-58mm turbo and will provide excellent throttle response specifically for GPA rally 4G63 engines
If you were to call it a hypothetical 4 degrees ignition timing difference
258-A | A90 / B58 s15 Design © Thrash Garage NZ270 268 cams to suit Gen 2 B58 engine with bolt on intake, exhaust and turbo upgrades. For an engine producing around 550 750hp running a 58 68mm turbo. Still maintains full use of Valvetronic and Double VANOS for good throttle response and wide power band. Must have valve spring upgradeKelford Cams recommend valve spring KVS58 BT.
