Extreme PSI :: Engine :: Cylinder Heads and Valvetrain :: Camshafts :: Kelford 256/260 Camshafts: Subaru WRX STI 08-13 EJ257B DUAL AVCS

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Kelford 256/260 Camshafts: Subaru WRX STI 08-13 EJ257B DUAL AVCS #27483

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Subaru WRX EJ257 Dual AVCS Stage 1 Camshafts

256°-252°/264° | 9.55mm-9.55mm/9.50mm Valve Lift

256° high torque cams to suit near stock EJ257 engine. Excellent throttle response. Ideal in 36mm restrictor rally classes. Suits small frame 46-54mm turbo.

Kelford Cams recommend valve spring upgrade KVS109-STI.

Specs:

Cam Lift:

Intake:

9.75mm

Exhaust:

9.75mm

Rocker Ratio:

Intake:

Exhaust:

Nett Valve Lift:

Intake:

9.55mm

Exhaust:

9.50mm

Advertised Duration @ .250mm

Intake:

256

Exhaust:

260

Duration @ 1.00mm valve lift

Intake:

218

Exhaust:

222

Timing @ 1.00mm valve lift

IVO:

21 ATDC

EVO:

57 BBDC

IVC:

59 ABDC

EVC:

15 BTDC

Suggested Centre Lines:

Intake:

130 ATDC

Exhaust:

126 BTDC

Valve Lift @ TDC

Intake:

Exhaust:

Details

SKU KEL-220-A

Retail price: $999.00

Our price:

$949.05

Want this item shipped on April 22? Order within the next 66 hrs 31 mins.

Quantity

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Kelford 256/260 Camshafts: Subaru WRX STI 08-13 EJ257B DUAL AVCS #27483