258-C
Toyota Supra B58 Camshafts - 288° Stage 3 drag racing cams for professionally built B58 Gen 2 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel type ethanol blend or methanol. Must use aftermarket high flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing. 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-C
VALVE CLEARANCE:
INTAKE:
Hydraulic
SET
EXHAUST:
Hydraulic
SET
AT THE:
AT THE:
CAM LIFT:
INTAKE:
6.47mm
EXHAUST:
6.47mm
ROCKER RATIO:
INTAKE:
1.622
EXHAUST:
1.67
NETT VALVE LIFT:
INTAKE:
10.50mm
EXHAUST:
10.80mm
ADVERTISED DURATION AT
0.10mm
INTAKE:
288°
EXHAUST:
292°
DURATION AT
1.00mm VALVE LIFT
INTAKE:
242°
EXHAUST:
250°
TIMING AT
1.00mm VALVE LIFT
IVO:
9° BTDC
IVC:
53° ABDC
EVO:
65° BBDC
EVC:
5° ATDC
SUGGESTED CENTRELINES:
INTAKE:
112°
EXHAUST:
120°
LIFT AT TDC
VALVE
INTAKE:
1.90mm
EXHAUST:
1.50mm
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor