Kelford Cams 256/260 Camshaft Set 2008-2021 STI Dual AVCS Free Returns

Description

The Kelford 220-A is a cam profile setup for the near stock engines. The cams feature a 256 / 260 duration, Ideal for 36mm restrictor classes.

The Subaru STI EJ257B engine features dual AVCS (Active Valve Control System). This feature enables the builder to extract massive power while retaining great low end driveability. The Kelford range of camshafts feature a very new camshaft design technology termed ‘ICE’. This design technique results in a efficiency gain for these engines. No other aftermarket camshaft company offers this approach for the EJ25 engine platform.
Specifications:

• Cam Lift: Intake = 9.75mm , Exhaust = 9.75mm
• Rocker Ratio: Intake = 1 , Exhaust = 1
• Net Valve Lift: Intake = 9.55mm , Exhaust = 9.50mm
• Advertised Duration @ .25mm: Intake = 256 , Exhaust = 260
• Duration @ 1.0mm Valve Lift: Intake = 218 , Exhaust = 222
• Timing @ 1.0mm Valve Lift: IVO = 21 ATDC , EVO = 57 BBDC , 59 ABDC , EVC = 15 BTDC
• Suggested Centerline: Intake = 130 ATDC , Exhaust =126 BTDC

Note: Kelford Cams recommend valve spring upgrade KVS109-STI