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Description
This range of Kelford high performance camshafts is to suit what we call the JDM Version 7-10 EJ20 engines with Subaru's awesome AVCS (Active Valve Control System). The cams are easily identified by the triggers on the rear of the intake cams, they are machined to have four protruding 'paddle wheel' style triggers. If your engine has the three 'keyway / slot' style triggers, you need to see our EJ25 range with the R-199 part numbers. This range of camshafts feature high velocity lobes that have a wider 'sweep' across the cam bucket, therefore these camshafts can only be used on shimless buckets or buckets that have the shim underneath. These profiles can not run on the earlier 1999-2001 Version 5-6 buckets that have the shim on top.
Street race camshafts that suit AVCS with mild engine modifications and stock or slight turbo upgrade.
Valve Spring Kit: KVS109-STI
Duration @ 0.25 mm: 252 Inlet/260 Exhaust
Duration @ 1.0 mm: 212 Inlet/222 Exhaust
Net Valve Lift Inlet: 9.50mm Inlet/9.50mm Exhaust
Suggested Centerline: 130 Inlet/113 Exhaust
