258-A
Toyota Mark 5 Supra / BMW B58 Stage 1 Performance Camshaft - 270°/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 upgrade, Kelford Cams recommend valve spring KVS58-BT.
- BMW have released these engines in several revisions. To simplify things the Kelford team have named these revisions Gen 1, Gen 1.5 & Gen 2
- If you are unsure of the generation of your engine please contact the sales team & they will make sure you get the correct camshafts
Camshaft Specifications
ENGINE MAKE:
ENGINE MODEL:
PART NUMBER:
BMW
Toyota
B58 Gen2
258-A
VALVE CLEARANCE:
INTAKE:
Hydraulic
SET
EXHAUST:
Hydraulic
SET
AT THE:
AT THE:
CAM LIFT:
INTAKE:
6.35mm
EXHAUST:
6.08mm
ROCKER RATIO:
INTAKE:
1.622
EXHAUST:
1.67
NETT VALVE LIFT:
INTAKE:
10.30mm
EXHAUST:
10.15mm
ADVERTISED DURATION AT
0.10mm
INTAKE:
270°
EXHAUST:
268°
DURATION AT
1.00mm VALVE LIFT
INTAKE:
230°
EXHAUST:
226°
TIMING AT
1.00mm VALVE LIFT
IVO:
IVC:
EVO:
EVC:
SUGGESTED CENTRELINES:
INTAKE:
vari
EXHAUST:
vari
LIFT AT TDC
INTAKE:
EXHAUST:
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$19.99 CAD | $24.99 CAD
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$19.99 CAD | $24.99 CAD
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$19.99 CAD | $24.99 CAD
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