Part Number: R-199-C

Description: Kelford Cams 272 / 268 Hot Street High HP Cams

Fitment: 08-14 Subaru WRX / STI

Details:

Kelford Cams R-199-C cams are designed for all Subaru 2.5L Single AVCS EJ25 engines. The cams feature 272 / 268 duration, 11.30mm / 10.50mm Lift. The racing camshafts are well suited for competition engines in the 500-700hp range. Best used with larger volume intake manifolds, ported heads and up to 30lb boost and 8000 RPM with upgraded valve springs.

Specifications:
Cam Lift: Intake = 11.50mm , Exhaust = 10.75mm
Rocker Ratio: Intake = 1 , Exhaust = 1
Net Valve Lift: Intake = 11.30mm , 10.50mm
Advertised Duration @ .25mm: Intake = 272 , Exhaust = 268
Duration @ 1.0mm Valve Lift: Inlet = 232 , Exhaust = 228
Timing @ 1.0mm Valve Lift: IVO = 14 ATDC , EVO = 47 BBDC, IVC = 66 ABDC, EVC = 1 ATDC
Suggested Center line - Intake = 130 ATDC , Exhaust = 113 BTDC
Valve Lift @ TDC: Intake = 0.12mm , Exhaust = 1.12mm
Requires cylinder head modification to fit high lift cam lobes. Must use shimless buckets. Kelford Cams recommend valve spring upgrade KVS1847-BT.