Kelford R-199-D Camshaft Set Suit SUBARU EJ25 WRX STI USDM (2004-Current) 282° & 278°/278°

280/278 Duration, 11.55mm/11.00mm Lift. Drag racing camshafts to suit high HP. “Requires cylinder head modification to fit.”
Requires larger volume intake manifold. Suits up to 40lb boost and 9000 RPM with our recommended valve spring

RECOMMENDED PRODUCTS FOR USE WITH R-199-D CAMSHAFT
The High Performance product/s listed below match your new camshaft and should be purchased to ensure reliability and optimum engine performance.

KVS109-STi, Single Valve Springs for up to 25lb boost
SUBARU EJ20/25 High performance 'PACALOY' valve spring set. 'Drop in fit' on the OEM retainer. 85lb seat pressure at 36.00mm install height. Coil bind is at  22.00mm

KVS1847-BT Valve Spring & Ti Retainer Set
SUBARU EJ20/25 2000 - Current. Ovate wire, PACALOY Beehive valve spring set with Titanium retainers. Nano-peen and gold nitride surface finishing treatments for superior endurance. High frequency, increased seat pressure, low open pressure. Designed specifically for the Subaru flat four. 100lb seat pressure at 35.50mm installed height. Coil bind is at 23.00mm. 12.00mm maximum lift.

Please note that some KELFORD CAMSHAFTS are made to order and there may be delays.

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